Question

What is the function of the dome shaped diaphragm muscle?

a) This is where gas exchange happens.

b) Air passes through the diaphragm on the way to the lungs.

c)It attaches to the lungs and contracts and relaxes to help in breathing

d) where breathing in and out occurs

Answer 1

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Option C It attaches to the lungs and contracts and relaxes to help in breathing

Answer 2

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