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AIPMT MAINS2011Zoology-Respiratory System

AIPMT MAINS 2011 Zoology Mechanism of Breathing MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?

A

One can consciously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all

B

The lungs can be made fully empty by forcefully breathing out all air from them

C

One can breathe out air totally without oxygen

D

One can breathe out air through eustachian tubes by closing both the nose and the mouth

Correct Answer

Option A

Detailed Explanation

Conscious breathing can be controlled by the diaphragm, allowing for breathing without rib movement.

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