Which of the following is/are correct regarding the regulation of respiration? I. The…
Biology · NEET · NTA Exams — Breathing and Exchange of Gases
Which of the following is/are correct regarding the regulation of respiration?
I. The respiratory rhythm centre is located in the pons region of the brain.
II. The pneumotaxic centre can reduce the duration of inspiration.
III. A chemosensitive area near the rhythm centre is highly sensitive to CO₂ and H⁺.
IV. Signals from receptors in the aortic arch can modify the respiratory rhythm.
V. Oxygen is a major regulator of respiratory rhythm under normal conditions.
Choose the correct option from the following:
- I, II and III only
- II, III and IV only
- III, IV and V only
- I, IV and V only
Answer
(B) II, III and IV only
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