NEET Zoology Mechanism of Breathing Assertion Reason Question
Assertion (A): The thoracic chamber is an air-tight chamber that facilitates breathing.
Reason (R): The thoracic chamber is bounded dorsally by the sternum, which allows for the expansion and contraction of the lungs.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
The assertion is true as the thoracic chamber is air-tight and essential for breathing, but the reason is false because the thoracic chamber is bounded dorsally by the vertebral column, not the sternum.
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