Question

a large muscle that separates the oral cavity from abdominal cavity and helps in breathing (a) larynx
(b) trachea
(c) diaphrgm
(d) alveolus​

Answer 1

Answer:

The DIAPHRAGM is the strong wall of muscle that separates your chest cavity from your abdominal cavity. By moving downward, it creates suction to draw in air and expand the lungs. The smallest section of the bronchi are called BRONCHIOLES, at the end of which are the alveoli (plural of alveolus).

Answer 2

Answer:

A large muscle that separates the oral cavity from abdominal cavity and helps in breathing :-

(a) larynx

(b) trachea

(c) diaphragm $\huge\pink{✓}$

(d) alveolus