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How does the volume of the thoracic cavity change during inspiration?

 

Option: 1

 It decreases


Option: 2

It remains the same


Option: 3

It increases

 


Option: 4

It varies depending on the individual


Answers (1)

best_answer

The external intercostal muscles and the diaphragm contract during inspiration to expand the capacity of the thoracic cavity.

 Option 3 is the correct answer.

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