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MHT CET · BIOLOGY · STD 12 - 8. Respiration and Circulation

Select the correct option with respect to Hering-Breuer reflex.

  1. A The stretch receptors in the wall of lungs are stimulated to decrease expiration.
  2. B The inhibitory impulses are generated by centre of inspiration during expiration.
  3. C New respiratory cycle begins with inhibition of inspiratory centre.
  4. D Deflated lungs do not stimulate the stretch receptors, so that inspiratory centre is excited for new respiratory cycle.
Verified Solution

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.