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1 Lungs and Respiratory System (for Parents) - Kids Health
https://kidshealth.org/en/parents/lungs.html
When we breathe, the respiratory system takes in oxygen and sends out carbon dioxide. The cells in our bodies need fresh oxygen to stay alive. As cells do their ...
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2 Respiratory System: Parts, Function, and Diseases - WebMD
https://www.webmd.com/lung/how-we-breathe
Breathing starts when you inhale air into your nose or mouth. It travels down the back of your throat and into your windpipe, which is divided ...
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3 How Lungs Work | American Lung Association
https://www.lung.org/lung-health-diseases/how-lungs-work
The WINDPIPE (trachea) is the passage leading from your throat to your lungs. The windpipe divides into the two main BRONCHIAL TUBES, one for each lung, which ...
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4 Passage of air through the respiratory tract explained
https://www.britannica.com/video/72992/respiratory-tract-lungs-mouth-air-nose-gases
The respiratory tract conveys air from the mouth and nose to the lungs, where oxygen and carbon dioxide are exchanged between the alveoli and the ...
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5 How the Lungs Work - The Respiratory System | NHLBI, NIH
https://www.nhlbi.nih.gov/health/lungs/respiratory-system
Airways · Mouth · Nose and linked air passages called the nasal cavity and Sinus · Larynx (voice box) · Trachea (windpipe) · Tubes called bronchial ...
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6 Overview of the Respiratory System - Lung and Airway ...
https://www.merckmanuals.com/home/lung-and-airway-disorders/biology-of-the-lungs-and-airways/overview-of-the-respiratory-system
Air enters the respiratory system through the nose and mouth and passes down the throat (pharynx) and through the voice box, or larynx. The entrance to the ...
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7 Respiratory system | Canadian Lung Association
https://www.lung.ca/lung-health/lung-info/respiratory-system
The NASAL CAVITY (nose) is the best entrance for outside air into your respiratory system. The hairs that line the inside wall are part of the air-cleansing ...
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8 Human Physiology - Respiration
http://people.eku.edu/ritchisong/301notes6.htm
Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > ...
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9 Mechanics of Ventilation - SEER Training
https://training.seer.cancer.gov/anatomy/respiratory/mechanics.html
Ventilation, or breathing, is the movement of air through the conducting passages between the atmosphere and the lungs. The air moves through the passages ...
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10 THE RESPIRATORY SYSTEM
https://www.uc.edu/content/dam/uc/ce/images/OLLI/Page%20Content/THE%20RESPIRATORY%20SYSTEM.pdf
As the volume of the lungs increases, air ... The nasal cavities are chambers of the internal nose. ... It keeps the air passages open during breathing.
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11 16.2: Structure and Function of the Respiratory System
https://bio.libretexts.org/Bookshelves/Human_Biology/Book%3A_Human_Biology_(Wakim_and_Grewal)/16%3A_Respiratory_System/16.2%3A_Structure_and_Function_of_the_Respiratory_System
All of the organs and other structures of the upper respiratory tract are involved in the conduction or the movement of air into and out of the ...
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12 5 Functions of Respiratory System - Visible Body
https://www.visiblebody.com/learn/respiratory/5-functions-of-respiratory-system
1. Inhalation and Exhalation Are Pulmonary Ventilation—That's Breathing · 2. External Respiration Exchanges Gases Between the Lungs and the Bloodstream · 3.
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13 Respiratory System Anatomy, Diagram & Function - Healthline
https://www.healthline.com/human-body-maps/respiratory-system
The respiratory system, which includes air passages, pulmonary vessels, the lungs, and breathing muscles, aids the body in the exchange of ...
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14 Upper respiratory tract - MedlinePlus
https://medlineplus.gov/ency/imagepages/19378.htm
The major passages and structures of the upper respiratory tract include the nose or nostrils, nasal cavity, mouth, throat (pharynx), ...
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15 Human respiratory system | TheSchoolRun
https://www.theschoolrun.com/homework-help/human-respiratory-system
The respiratory system's main function is to supply oxygen to all the parts of your body. It does this through breathing: inhaling oxygen-rich air and exhaling ...
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16 How Your Lungs Work | INTEGRIS Health
https://integrisok.com/resources/articles/how-your-lungs-work
Air flows down your trachea, or windpipe, which divides into two branches called bronchi, one to each lung. The bronchi then divide into a series of smaller and ...
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17 The Flow of Air Through the Respiratory System…
https://blogs.egusd.net/eettalfonso/2012/02/17/the-flow-of-air-through-the-respiratory-system/
This explains, how respiratory works in your body. The nose can warm and filter the air but the mouth can't. After, the the air warms and ...
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18 11.3 Circulatory and Respiratory Systems – Concepts of Biology
https://opentextbc.ca/biology/chapter/11-3-circulatory-and-respiratory-systems/
The cartilage provides strength and support to the trachea to keep the passage open. The smooth muscle can contract, decreasing the trachea's diameter, which ...
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19 Respiratory system diagram: Function, facts, conditions, and ...
https://www.medicalnewstoday.com/articles/respiratory-system
How does the respiratory system work? ... The respiratory system allows people to breathe. It is made up of several organs and structures that ...
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20 How Do Particulates Enter the Respiratory System?
https://www.ccohs.ca/oshanswers/chemicals/how_do.html
The lower airway passages start at the vocal cords, extend down the trachea (windpipe) and continue all the way down to the small air sacs, (alveoli) at the end ...
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21 The Circulatory System - at http://LSA.colorado.edu
http://lsa.colorado.edu/essence/texts/lungs.html
When we breathe, the air travels to the lungs through a series of tubes and passages. The air enters the body through the nostrils or the mouth. It travels down ...
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22 Respiratory tract - Wikipedia
https://en.wikipedia.org/wiki/Respiratory_tract
Next, air moves into the pharynx, a passage that contains the intersection between the oesophagus and the larynx. The opening of the larynx has a special flap ...
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23 Moving Mucus Matters for Lung Health - Frontiers
https://www.frontiersin.org/articles/458896
How Do the Lungs Work? ... The primary function of the lungs is breathing. Gas exchange is the name of the process by which oxygen enters the ...
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24 Bronchioles: Anatomy, Function, and Treatment
https://www.verywellhealth.com/bronchioles-anatomy-function-and-diseases-2248931
Bronchioles are air passages inside the lungs that branch off like tree limbs from the bronchi—the two main air passages into which air ...
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25 Challenge 5: How does COVID-19 affect the respiratory system?
https://medicine.yale.edu/coved/modules/virus/respiratory/
I can explain how ventilators help people breathe if they have Acute Respiratory Distress ... How does a ventilator work to help someone with ARDS breathe?
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26 The respiratory system | Lung Function and Chest Anatomy
https://patient.info/news-and-features/the-respiratory-system
The small bronchi divide into smaller and smaller hollow tubes which are called bronchioles - the smallest air tubes in the lungs. The medical term for all the ...
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27 Mammalian Systems | Biology for Majors II - Lumen Learning
https://courses.lumenlearning.com/wm-biology2/chapter/mammalian-systems/
The cartilage provides strength and support to the trachea to keep the passage open. The smooth muscle can contract, decreasing the trachea's diameter, which ...
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28 What Is the Respiratory System? How Does It Work? - Inogen
https://www.inogen.com/resources/respiratory-lung-disease/how-the-respiratory-system-works/
Airways are the tubes that carry air into our lungs. As they branch out, they become smaller and smaller, and eventually connect to parts of the lungs called ...
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29 Lungs and Respiratory System - Children's Minnesota
https://www.childrensmn.org/educationmaterials/parents/article/7681/lungs-and-respiratory-system/
What Are the Lungs and Respiratory System? ... The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or ...
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30 Respiratory System - Austin Community College District
https://www.austincc.edu/apreview/PhysText/Respiratory.html
Made up of rigid passageways that serve to warm, moisten, and filter the inhaled air: nose, nasal cavity, pharynx, larynx, trachea, primary bronchi, tertiary ...
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31 How The Respiratory System Works - YouTube
https://www.youtube.com/watch?v=UTR1IsX55dc
Whats Up Dude
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32 Respiratory System - Definition, Function and Parts
https://biologydictionary.net/respiratory-system/
How Does the Respiratory System Work? ... Organs specialized for breathing usually contain moist structures with large surface areas to allow the diffusion of ...
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33 The respiratory system review (article) - Khan Academy
https://www.khanacademy.org/science/high-school-biology/hs-human-body-systems/hs-the-circulatory-and-respiratory-systems/a/hs-the-respiratory-system-review
During internal respiration, oxygen and carbon dioxide are exchanged between the cells and blood vessels. Respiration begins at the nose or mouth, where ...
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34 Signs of Respiratory Distress | Johns Hopkins Medicine
https://www.hopkinsmedicine.org/health/conditions-and-diseases/signs-of-respiratory-distress
... breathing often show signs that they are having to work harder to breathe or ... the air passages may be smaller (tighter), making it harder to breathe.
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35 What Is Cilia and Why Is It Important? | SmartVest.com
https://smartvest.com/blog/cilia-in-the-lungs/
Cilia, which are tiny hair-like structures, help remove mucus from the lungs to prevent buildup and respiratory infection. Learn more!
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36 Chronic respiratory diseases - World Health Organization (WHO)
https://www.who.int/health-topics/chronic-respiratory-diseases
Some of the most common are chronic obstructive pulmonary disease (COPD), ... that help open the air passages and improve shortness of breath can help ...
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37 Respiratory system - Healthdirect
https://www.healthdirect.gov.au/respiratory-system
How your respiratory system works ... You breathe in by contracting your diaphragm, a flat muscle at the base of your chest. This causes the chest to expand, ...
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38 Bronchioles and alveoli in the lungs - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/bronchiolitis/multimedia/bronchioles-and-alveoli/img-20008702
In your lungs, the main airways (bronchi) branch off into smaller and smaller passageways — the smallest, called bronchioles, lead to tiny air sacs ...
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39 Respiratory System Worksheet
https://www.tesd.net/cms/lib/PA01001259/Centricity/Domain/595/Respiratory%20System%20Packet%2014.pdf
At the end of each of these tubes are ... dozens of body parts work together to help get that air in there ... muscles, and open up the air passages.
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40 Anatomy of the Respiratory System in Children
https://www.stanfordchildrens.org/en/topic/default?id=anatomy-of-the-respiratory-system-in-children-90-P02950
Airways (bronchi and bronchioles). Air sacs (alveoli). How do the lungs work? The lungs take in oxygen. The body's cells need oxygen ...
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41 Respiratory Viruses - St Vincent's Lung Health
https://www.svhlunghealth.com.au/conditions/respiratory-viruses
Respiratory viruses affect your breathing passages, causing cold and flu-like symptoms as well as shortness of breath and pneumonia. What are respiratory ...
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42 Breathing | CK-12 Foundation
https://flexbooks.ck12.org/cbook/ck-12-biology-flexbook-2.0/section/13.31/primary/lesson/processes-of-breathing-bio/
Respiration begins with ventilation. This is the process of moving air in and out of the lungs. The lungs are the organs in which gas ...
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43 13.2 Structure and Function of the Respiratory System
https://humanbiology.pressbooks.tru.ca/chapter/15-2-structure-and-function-of-the-respiratory-system/
The trachea and other passages of the lower respiratory tract conduct air between the upper respiratory tract and the lungs. These passages form an inverted ...
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44 Animal Gas Exchange and Transport | Organismal Biology
https://organismalbio.biosci.gatech.edu/nutrition-transport-and-homeostasis/gas-exchange-in-animals/
The cartilage provides strength and support to the trachea to keep the passage open. The smooth muscle can contract, decreasing the trachea’s diameter, which ...
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45 Throat Anatomy and Physiology
https://www.chop.edu/conditions-diseases/throat-anatomy-and-physiology
It is located behind the nose and mouth and connects the mouth (oral cavity) and nose to the breathing passages (trachea [windpipe] and lungs) and the ...
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46 Respiratory System: How We Breathe - ThoughtCo
https://www.thoughtco.com/respiratory-system-4064891
The respiratory system is the organ system that enables us to breathe. Respiratory structures include the nasal passages, trachea, lungs, ...
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47 Anatomy – Respiratory System PowerPoint
https://www.education.ne.gov/wp-content/uploads/2017/07/172-Anatomy-Resp-System.ppt
Each cavity is divided into 3 air passages: the superior, middle, ... The pharynx also contains 3 pairs of tissues that are part of the lymphatic system:.
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48 Introduction to the passages for air and food
https://aclandanatomy.com/MultimediaPlayer.aspx?multimediaId=10528389
Air passes forward through the larynx and into the trachea, on its way to the lungs. So the lines of travel for air, and for food and liquid, cross over in the ...
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49 SAQ, Respiratory System. - SIU Histology
https://histology.siu.edu/crr/rsguide.htm
Because the passage of air depends on wide open passageways, the larger respiratory passages (trachea, and bronchi) are supported by ...
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50 Anatomy of the Nasal Passages - Optinose
https://www.optinose.com/exhalation-delivery-systems/anatomy-of-the-nasal-passages/
The nasal passages function as a filter and air conditioner to protect the lower airways. This functionality is achieved by the complex, narrow, convoluted, ...
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51 Airway, Breathing & Lung | BIDMC of Boston
https://www.bidmc.org/conditions-and-treatments/airway-breathing-and-lung
If you have asthma, the inside walls of your airways are swollen. ... Because breathing takes such hard work when you have COPD, you can become exhausted.
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52 Respiratory System Anatomy and Physiology - Nurseslabs
https://nurseslabs.com/respiratory-system/
Bronchial sounds. Bronchial sounds are produced by air rushing through the large respiratory passageways (trachea and bronchi). Vesicular ...
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53 What Happens in Your Airways When You Have Asthma?
https://community.aafa.org/blog/what-happens-in-your-airways-when-you-have-asthma
Air comes into our lungs each time we breathe in. This air has oxygen in it. Oxygen has a special job. It helps feed, or give energy to, all ...
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54 Your lungs are really amazing. An anatomy professor explains ...
https://theconversation.com/your-lungs-are-really-amazing-an-anatomy-professor-explains-why-106669
Importantly, hair-like projections on cells lining the airways, called cilia, move the soiled mucus out of the lungs and air passages to the ...
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55 Lung Anatomy - Physiopedia
https://www.physio-pedia.com/Lung_Anatomy
Relaxation and contraction of the smooth muscles of the bronchi and bronchioles can change the diameter of the air passageways and so change the volume of ...
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56 Smoke Inhalation: Care Instructions - MyHealth Alberta
https://myhealth.alberta.ca/Health/aftercareinformation/pages/conditions.aspx?hwid=uh3687
Breathing in hot air, smoke, or chemical fumes can cause irritation or swelling in your air passages. Being in or near a fire can cause wheezing and ...
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57 Signs of Respiratory Distress - Health Encyclopedia - URMC
https://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=85&contentid=P01326
... breathing often show signs that they are having to work harder to breathe ... with each breath can mean that the air passages may be smaller (tighter), ...
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58 Respiration - Hyperphysics
http://hyperphysics.phy-astr.gsu.edu/hbase/Biology/respir.html
By "respiratory system" we usually mean the passages that transport incoming air to the lungs and to the microscopic air sacs called alveoli where gases are ...
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59 Respiratory Syncytial Virus (RSV) - CDC
https://www.cdc.gov/dotw/rsv/index.html
... virus (RSV) is a contagious virus that affects the lungs and breathing passages. ... There is no vaccine, but scientists are working to develop one.
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60 Chapter 10. Human Body System: Respiratory System and ...
https://www.jica.go.jp/english/our_work/thematic_issues/education/materials/science/png/01/gh13tc000000yyln-att/g6_science_tm_02.pdf
How does air move in and out of our body? ... Describe the name of the organs and their work in the ... lungs work when breathing by comparing the lung.
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61 The Anatomy Of Your Respiratory System
https://www.lebonheur.org/staticfiles/files/2007/09/TheAnatomyOfYourRespiratorySystem.pdf
NOTE B: If too much mucus is made then the passage way gets smaller and air has a harder time to get through. This can happen in chronic bronchitis and.
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62 How Does Stress Impact the Lungs and Respiratory Health?
https://www.apollo247.com/blog/article/how-does-stress-impact-lungs-and-respiratory-health
Stress stimulates the activity of the vagus nerve. The vagus nerve plays an important role in respiration, and it connects to the airway smooth ...
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63 Habits of the Heart: Lessons: Lung Model
https://www.smm.org/heart/lessons/lesson7.htm
If particles irritate the nose, a sneeze may occur. If the particles are located deeper in the air passages a hearty cough will move them out. Much more mucus ...
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64 How Does Smoking Affect Alveoli in the Lungs? - Verywell Mind
https://www.verywellmind.com/what-are-alveoli-in-the-lungs-2824823
4 These capillaries and the walls of alveoli share a very thin membrane that allows oxygen from inhaled air to pass through the walls of alveoli ...
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65 Respiratory System | Interactive Anatomy Guide - InnerBody
https://www.innerbody.com/anatomy/respiratory
When greater volumes of air are required by the body, such as during exercise, the smooth muscle relaxes to dilate the bronchi and bronchioles.
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66 Work of Breathing - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/nursing-and-health-professions/work-of-breathing
WOB is determined by how hard and how fast the respiratory muscles must contract. V. : Q. mismatching and impaired diffusion from various disease processes can ...
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67 Blockage of upper airway Information | Mount Sinai - New York
https://www.mountsinai.org/health-library/diseases-conditions/blockage-of-upper-airway
Air is breathed in through the nasal passageways, travels through the trachea and bronchi to the lungs. Throat anatomy. Structures of the throat include the ...
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68 Structure and Function of the Respiratory Tract in Dogs
https://www.petplace.com/article/dogs/pet-health/structure-and-function-of-the-respiratory-tract-in-dogs/
Once the trachea splits into two branches, the airway passages are called bronchi. The bronchi spread out into lung tissue and continue to ...
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69 Keep Your Air Clear: How Tobacco Can Harm Your Lungs | FDA
https://www.fda.gov/tobacco-products/health-effects-tobacco-use/keep-your-air-clear-how-tobacco-can-harm-your-lungs
Your lungs are one of your body's filtration systems, taking in air from the atmosphere, adding oxygen to the blood for circulation throughout ...
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70 Your Journey Down the Respiratory Tract - Causes - Asthma
https://www.healthcentral.com/article/your-journey-down-the-respiratory-tract
a funnel shaped passage where are travels from the nasal cavity to the larynx. It too aids in phonation. Both food and air travel this way.
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71 Systems of Gas Exchange - OpenEd CUNY
https://opened.cuny.edu/courseware/module/808/student/?task=5
Particulate matter that is floating in the air is removed in the nasal passages via mucus and cilia. The processes of warming, humidifying, and removing ...
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72 The History of the Lungs
https://web.stanford.edu/class/history13/earlysciencelab/body/lungspages/lung.html
From such passages, we can see that the idea of respiration was primarily ... of breathing but not the actual mechanisms at work in creating a breath.
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73 Tracheal Disease - Michigan Medicine
https://www.uofmhealth.org/conditions-treatments/surgery/tracheal-disease
These conditions can seriously affect the ability to breathe. ... to examine the inside of the trachea and bronchi (the air passages leading to the lungs).
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74 The impact of cold on the respiratory tract and its ...
https://ctajournal.biomedcentral.com/articles/10.1186/s13601-018-0208-9
The purpose of the present work is to better understand the ... Respiratory infections can be caused by cold air through increased bronchial ...
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75 Bronchial Tubes | Location & Function - Study.com
https://study.com/learn/lesson/bronchial-tubes-location-function.html
Cartilage and smooth muscle provide structure, protection, and function for the air passages. The inner surface of each bronchus is lined with ...
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76 Untitled
https://bioscience.lonza.com/lonza_bs/GB/en/what-are-airway-cells-and-their-function
Bronchial/tracheal smooth muscle cells produce slow and sustained contractions in the wall of lungs to regulate air flow through the respiratory tract. These ...
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77 What Drugs Can Cause Breathing Problems?
https://americanaddictioncenters.org/health-complications-addiction/respiratory-system
The bronchi, which are the major air passages in and out of the lungs. The alveoli, which are tiny sacs in the lungs and the location where gas ...
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78 5.3 Diseases of the Respiratory System
https://wtcs.pressbooks.pub/pharmacology/chapter/5-3-diseases-of-the-respiratory-system/
The severity of allergies varies from person to person and can range from minor ... air passages (bronchioles) of the lungs are destroyed and hyperinflated.
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79 The Respiratory System in Animals - Merck Veterinary Manual
https://www.merckvetmanual.com/respiratory-system/respiratory-system-introduction/the-respiratory-system-in-animals
Large, inhaled airborne particles enter the nose and are deposited along the mucous lining of the nasal passages. Cilia move these particles along the ...
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80 Respiratory system - Better Health Channel
https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/respiratory-system
Summary · Respiration is the uptake of oxygen and the removal of carbon dioxide from the body. · This job is performed by the lungs. · Breathing is achieved by ...
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81 Bronchiectasis | Cedars-Sinai
https://www.cedars-sinai.org/health-library/diseases-and-conditions/b/bronchiectasis.html
The airways are made up of a series of branching tubes. These are called the bronchi, and the smaller ones are bronchioles. Through these tubes, the lungs bring ...
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82 How Air Sacs Power Lungs in Birds' Respiratory System
https://asknature.org/strategy/respiratory-system-facilitates-efficient-gas-exchange/
The inhaled air travels down each primary bronchus and then divides: some air enters the lungs where gas exchange occurs, while the remaining ...
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83 Lungs: Facts, Function and Diseases | Live Science
https://www.livescience.com/52250-lung.html
The lungs are like bellows. When they expand, they pull air into the body. When they compress, they expel carbon dioxide, a waste gas that ...
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84 Asthma Attack | Causes, Symptoms & Treatment
https://acaai.org/asthma/symptoms/asthma-attack/
Asthma is an inflammation and obstruction of the bronchial tubes – the passages that allow air to enter and leave the lungs. During an asthma attack, the ...
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85 Horse Respiratory System Functions - FLAIR Strips
https://flairstrips.com/respiratory-system-overview/
Horses are obligate nasal breathers, which means a horse's breathing during ... the total resistance in the upper airway originating in the nasal passages.
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86 Pulmonary Ventilation - PT Direct
https://www.ptdirect.com/training-design/anatomy-and-physiology/pulmonary-ventilation-breathing
Air enters the respiratory system through the mouth and the nasal cavity, passing through the pharynx then larynx (where sounds are produced for speech) and ...
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87 Atelectasis - Symptoms and Causes - Penn Medicine
https://www.pennmedicine.org/for-patients-and-visitors/patient-information/conditions-treated-a-to-z/atelectasis
Atelectasis is caused by a blockage of the air passages (bronchus or ... Atelectasis is common after surgery or in people who are or were in the hospital.
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88 Respiratory System
https://ag.arizona.edu/classes/ans215/lectures/RespiratorySystemXII.pdf
the air passages. vi. subdivision of the trachea to the alveoli are: - bronchi. - bronchioles. - terminal bronchioles. - respiratory bronchiles.
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89 5 The respiratory system - Pocket Dentistry
https://pocketdentistry.com/5-the-respiratory-system/
In the nasal cavities, the cilia are beating back towards the pharynx. In the air passages below the pharynx, the cilia are beating in an upward ...
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90 Respiratory Problems, Age 11 and Younger - PeaceHealth
https://www.peacehealth.org/medical-topics/id/rsp10
Briefly discusses respiratory problems that babies and children can have. ... It may lead to blocked nasal passages that cause the child to breathe through ...
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91 Respiratory System in Vertebrate Animals | Let's Talk Science
https://letstalkscience.ca/educational-resources/backgrounders/respiratory-system-in-vertebrate-animals
Breathing starts with the movement of air through your mouth and nostrils. The human respiratory system begins at the trachea. This is a stiff ...
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92 Frog Respiration
https://www.brown.edu/Departments/Engineering/Courses/En123/MuscleExp/Frog%20Respiration.htm
To elimate the carbon dioxide in the lungs the floor of the mouth moves down, drawing the air out of the lungs and into the mouth. Finally the nostrils are ...
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93 Can Breathing Exercises Help with Nose Blocks?
https://www.harleystreetent.com/blog/can-breathing-exercises-help-with-nose-blocks
It works because holding your breath can encourage the nasal passages to widen. You should try to breathe through your nose rather than your mouth to ...
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94 Respiratory System Flashcards | Quizlet
https://quizlet.com/81878765/respiratory-system-flash-cards/
The respiratory system does this through breathing. When we breathe, we inhale oxygen and exhale carbon dioxide. This exchange of gases is the respiratory ...
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95 How Does The Human Respiratory System Work?
https://www.scienceabc.com/pure-sciences/how-does-the-human-respiratory-system-work.html
The pharynx and larynx connect the nasal cavity to the trachea and also ensures that our air passages remain open when breathing.
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96 Bill Nye the Science Guy: Respiration KEY
https://www.brookside.leics.sch.uk/attachments/download.asp?file=953&type=pdf
Your lungs are full of tiny little passageways like sponges. These ... you are working “at a level more than your lungs can supply”.
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