Biology WAEC

The following processes are involved during expiration in man except?

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

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