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
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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:
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