Biology · Breathing and Exchange of Gases
Match the following respiratory regulatory components with their correct characteristics: Column I: A. Respiratory rhythm centre B. Pneumotaxic centre C. Chemosensitive area D. Aortic arch receptors Column II: I. Moderates the duration of inspiration II. Sends signals to the rhythm centre for adjustment III. Primary regulation of respiratory rhythm IV. Highly sensitive to CO2 and H+ ions
- 1A-III, B-IV, C-I, D-II
- 2A-III, B-I, C-IV, D-II✓
- 3A-II, B-I, C-IV, D-III
- 4A-II, B-I, C-III, D-IV
Correct answer
A-III, B-I, C-IV, D-II
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