Question

What happens during inspiration and expiration in the
1. Diaphragm
2. Shape of the diaphragm
3. Lungs
4. EICM​

Answer 1

Answer:

Diaphragm

Explanation:

During inspiration, the Diaphragm contracts and pull downwards while the muscles between the ribs contract and pull upward. During expiration, the Diaphragm relaxes, and the volume of thoracic cavity decreases, while the pressure within it increases. As a result, the lungs contract and air is forced out.