A) expands
B) shows no change
C) contracts and flattens
D) relaxes to become dome-shaped
Correct Answer: C
Solution :
Diaphragm is a muscular structure present between abdominal and thoracic cavity in mammals. In normal condition, diaphragm is dome shaped. During inspiration, it becomes flat due to contraction and during expiration, it becomes relaxed.You need to login to perform this action.
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