Zoology-Mechanism of Breathing
NEET Zoology Mechanism of Breathing MCQ Question
Type: MCQ-diagram based-Hard-Class 11
A diagram shows the thoracic chamber during the process of breathing. Label the structure that forms the lateral boundary of this chamber.
A
Ribs
B
Diaphragm
C
Vertebral column
D
Sternum
Correct Answer
Option A
Detailed Explanation
The ribs form the lateral boundary of the thoracic chamber, which is crucial for the mechanism of breathing as they move to increase and decrease the volume of the thoracic cavity during inspiration and expiration.
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