Q

All the statements below regarding inhalation in humans are correct except one. Which is NOT correct? A. Ribs move inward and diaphragm is raised. B. Ribs are lifted up and diaphragm becomes flat. C. Chest cavity becomes larger. D. Air is sucked into the lungs.

RRB Group-D 26/08/2022 (Shift-III) 2022
✓ Answer: A A
During inhalation, the diaphragm contracts and flattens, and the ribs move upward and outward. Thoracic volume increases and air enters the lungs. Statement A describes the opposite movement.
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