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The following processes are involved during expiration in man except

The following processes are involved during expiration in man except
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  • A The inter costal 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
Explanation:
During respiration process in man under expiration process the thoracic cavity does not increase in volume

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