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Breathing and Exchange of Gases question

2022 · Q56
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Breathing and Exchange of Gases question

2022 · Q56

NEETBiologyBreathing and Exchange of GasesMCQ+4 / −1

Identify the region of human brain which has pneumotaxic centre that alters respiratory rate by reducing the duration of inspiration.

  1. A
    Cerebrum
  2. B
    Medulla
  3. C
    Pons
  4. D
    Thalamus
View written solutionFree

Correct answer: C

Option (c) is the correct answer as pneumotaxic centre is present in the pons region of the brain, that can moderate the functions of the respiratory rhythm centre.

Option (b) is incorrect as medulla oblongata possesses respiratory rhythm centre and a chemosensitive area.

Option (a) and (d) are incorrect as cerebrum and thalamus does not possess any specialised centre to moderate the respiratory rhythm to suit the demands of the body tissues.

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