During forced expiration, actively contracting muscles include th… - Vidyadip

MCQ

During forced expiration, actively contracting muscles include the

A
Diaphragm
B
External intercostals
✓
Abdominal muscles
D
Diaphragm and intestinal muscle

✓

Answer

Correct option: C.

Abdominal muscles

c
(c) In forced expiration internal intercostal muscles and some abdominal muscles contract to reduce the volume of thorax.

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