what is diaphragm and its role in breathing?
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Explanation:
The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.
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Answer:
diaphragm is a muscle beneath the lungs
Explanation:
it contracts and relaxes continuosly
function-- when it enlarges our chest 's area is increased thus helps us to get more oxygen
2. it also creates low pressure in lings so that air outside can come inside(because air travels from high pressure to low pressure areas)
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