Question

the lungs are supported by dome – shaped muscle called
(a) rib cage (b) trachea (c) diaphragm (d) capillaries​

Answer 1

Answer:

c

Explanation:

diaphragm.

it helps in breathing

Answer 2

Answer:

diaphragm

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

I hope it is helpful

please mark me as brainlist