In expiration condition diaphragm becomes

⇦

⇨

In expiration condition, diaphragm becomes

Options

(a) Circular
(b) Relaxed
(c) Fully contracted
(d) Expanded

Correct Answer:

Relaxed

Explanation:

During expiration diaphragm relaxes and becomes dome-shaped thereby reducing intrathoracic volume to pass out the air from body.

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Topics: Human Digestion and Breathing (167)
Subject: Biology (4253)

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