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BE
Question Practice

What is the primary mechanism driving inhalation?

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

What is the primary mechanism ...

Single Answer MCQ
Q-00056370

What is the primary mechanism driving inhalation?

1

Relaxation of the diaphragm

2

Contraction of the diaphragm

3

Contraction of the intercostal muscles only

4

Decreased thoracic volume

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