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. Identify the structure that forms the lateral boundary of the thoracic chamber.
A
Ribs
B
Sternum
C
Vertebral column
D
Diaphragm
Correct Answer
Option A
Detailed Explanation
The thoracic chamber is anatomically an air-tight chamber formed laterally by the ribs, dorsally by the vertebral column, ventrally by the sternum, and on the lower side by the diaphragm.
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