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.
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
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
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 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.
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.
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.
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