Question

what is diaphragm and what is its role in breathing​

Answer 1

Answer:

The diaphragm, located below the lungs, is the major muscle of respiration. ... This contraction creates a vacuum, which pulls air into the lungs. Upon exhalation, the diaphragm relaxes and returns to its domelike shape, and air is forced out of the lungs.

Answer 2

The diaphragm, located below the lungs, is the major muscle of respiration. ... This contraction creates a vacuum, which pulls air into the lungs. Upon exhalation, the diaphragm relaxes and returns to its domelike shape, and air is forced out of the lungs.