Question

what is a diaphragm? what is its function​

Answer 1

Answer:

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. This contraction creates a vacuum, which pulls air into the lungs.

Explanation:

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Answer 2

☞￣ᴥ￣☞ DIAPHRAGM :

• 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.

☞￣ᴥ￣☞ FUNCTIONS :

•Once the lungs expand, air moves in through the nose and mouth. The air travels down the trachea and into the lungs, allowing a person to breathe. The exchange of oxygen and carbon dioxide occurs before exhalation. When a person exhales, the diaphragm relaxes, the lungs recoil, and the air moves out of the lungs.

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