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The Following Processes Are Involved During Expiration In Man Except? - Erudites Academy

The following processes are involved during expiration in man except?

by Sunday | Jan 10 | Biology WAEC | 0 comments

A. The intercostal muscles relax
B. The thoracic activity first increases in volume
C. The sternum moves inward
D. The ribs are moved downwards and inwards

Correct Answer: Option B

B. The thoracic activity first increases in volume

Explanation

During respiration process in man under the expiration process, the thoracic cavity does not increase in volume