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Question

Question: In rabbit the expiration occurs by the...

In rabbit the expiration occurs by the

A

Contraction of the external intercostal muscles and the relaxation of the muscles of the diaphragm

B

Contraction of the internal intercostal muscles and the relaxation of the muscles of the diaphragm

C

Contraction of the internal intercostal muscles only

D

Relaxation of the muscles of the diaphragm only

Answer

Contraction of the internal intercostal muscles and the relaxation of the muscles of the diaphragm