MHT CET · BIOLOGY · STD 12 - 8. Respiration and Circulation
Select the correct option with respect to Hering-Breuer reflex.
- A The stretch receptors in the wall of lungs are stimulated to decrease expiration.
- B The inhibitory impulses are generated by centre of inspiration during expiration.
- C New respiratory cycle begins with inhibition of inspiratory centre.
- D Deflated lungs do not stimulate the stretch receptors, so that inspiratory centre is excited for new respiratory cycle.
Answer & Solution
Correct Answer
(D) Deflated lungs do not stimulate the stretch receptors, so that inspiratory centre is excited for new respiratory cycle.
Step-by-step Solution
Detailed explanation
| (A) | During inspiration when the lungs expand to a critical point, the stretch receptors are stimulated. |
| (B) | The inhibitory impulses are generated by centre of inspiration during inspiration. |
| (C) | New respiratory cycle begins when the inspiratory centre is no longer inhibited. |
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