Question

in the lungs of mammals , inspiration occurs due to movement of

a. inter -costal muscles
b.diaphragm
c. abdominal muscles
d. both a and b ​

Answer 1

Lung Volumes and Capacities Breathing (inspiration and expiration) occurs in a cyclical manner due to the movements of the chest wall and the lungs. The resulting changes in pressure, causes changes in lung volumes. 1.:

Explanation: