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Which muscles relax during normal expira...

Which muscles relax during normal expiration ?
A. Diaphragm
B. External intercostal muscles
C. Internal intercostal Muscles
D. Abdominal muscles

A

A and B

B

C and D

C

A and C

D

No museles contract during normal expiration

Text Solution

Verified by Experts

The correct Answer is:
D
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