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How Lungs Work | American Lung Association


Your lungs are part of the respiratory system, a group of organs and tissues ... The respiratory system's main job is to move fresh air into your body while ... This motion carries MUCUS (sticky phlegm or liquid) upward and out into ... By moving downward, it creates suction in the chest, drawing in air and expanding the lungs.

The Lungs and Respiratory System. Chest/Lung Information | Patient


Decision Aids. Help choosing the right treatment ... At the end of the smallest bronchioles are tiny air sacs called alveoli. Alveoli are lined by a very ... The lungs also help the body to get rid of CO2 gas when we breathe out. There are a number ...

Respiratory System - Kimball's Biology Pages


Air enters the nostrils; passes through the nasopharynx,; the oral pharynx ... In mammals, the diaphragm divides the body cavity into the ... the volume of the thoracic cavity causes the lungs to expand, drawing air into them. During inspiration (inhaling),. The external intercostal muscles contract, lifting the ribs up and out.

Human Respiratory System - Diagram - How It Works - Live Science


Feb 4, 2013 ... Find out all about your lungs and how breathing works. ... Blood carries the oxygen through the body to where it is needed. Red blood ... The diaphragm flattens out and pulls forward, drawing air into the lungs for inhalation.

Your Lungs & Respiratory System - KidsHealth


Your lungs make up one of the largest organs in your body, and they work with your ... Now breathe out the air, and feel your chest return to its regular size.

Lungs and Respiratory System - KidsHealth


Find out more about the lungs and breathing process. ... be taken into the body, while also enabling the body to get rid of carbon dioxide in the air breathed out.

5 Functions of Respiratory System - Learn Skeleton System Anatomy


The respiratory system also helps us to smell and create sound. ... Changes to the volume and air pressure in the lungs trigger pulmonary ventilation. ... Internal Respiration Exchanges Gases Between the Bloodstream and Body Tissues ... Next Article: Breathing In and Speaking Out > ... Drawing In and Processing Air


leavingbio.net/respiratory system/the respiratory system.htm

This helps to keep the air entering the nose from drying out the lungs and other parts of ... Body cells use the inhaled oxygen gotten from the alveoli of the lungs.

respiratory system - The Worlds of David Darling


The main parts of this system are the airways, the lungs and linked blood vessels, and ... that carry oxygen-rich air to the lungs and carbon dioxide out of the lungs. ... Air first enters the body through the nose or mouth, which wets and warms the air. ... A red blood cell protein called hemoglobin helps move oxygen from the air  ...