Answer:
True.
Explanation:
The diaphragm is like a pump; to bring in air, it opens up, pulling air in. To release it, it closes back down, forcing air out.
Answer:
Yes
Explanation:
When we exhale, the diaphragm relaxes and proceeds to return to a normal resting shape. The air is forced out of the lungs causing the diaphragm to go down.
