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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