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BE
Question Practice

Which of the following best describes the mechanism of expiration?

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MCQ_SA
CBSE
Class 11
Biology
Biology
Breathing and Exchange of Gases
Question Bank

Which of the following best de...

Single Answer MCQ
Q-00056330

Which of the following best describes the mechanism of expiration?

1

Active inhale facilitated by diaphragm contraction

2

Passive process due to lung elastic recoil

3

Decreased thoracic volume causing air influx

4

Increased pulmonary pressure through muscle contraction

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