NEET Zoology Mechanism of Breathing Assertion Reason Question
Assertion (A): The thoracic chamber is an air-tight structure essential for the mechanism of breathing.
Reason (R): The thoracic chamber is formed by the vertebral column, sternum, ribs, and diaphragm, which aids in creating a pressure gradient for inspiration and expiration.
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 thoracic chamber is air-tight and formed by various structures that help create a pressure gradient necessary for breathing, making R the correct explanation for A.
Found an issue with this question?
Related Questions
More from
Assertion (A): Exchange of O2 and CO2 occurs between alveoli and deoxygenated blood. | Reason (R): Breathing involves both inspiration and expiration ...
What is the primary role of the enzyme carbonic anhydrase in the process of gas exchange?
Which of the following statements about the human respiratory system is correct?