Eamcet Zoology - Unit- 5 Human Physiology -Breathing And Exchange of Gases Free Online Tests | Mock Tests | Preparation | Practice Tests

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Entry of the maximum amount of air into the lungs during normal breathing is due to the contraction of

A. External inter costal muscles

B. Internal inter costal muscles

C. Diaphragm

D. External and internal inter costal muscles

E. None of the above

View Answer

Correct choice: C

Explanation:

none

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