Question

Q. The rate of heartbeat is regulated by the integrated
activity of inhibiting and accelerating effects occurring
in which part of the brain?
(a) Cerebellum
(b) Diencephalon
(c) Medulla oblongata
(d) Pons Varolii​

Answer 1

a is THE ANSWER

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Answer 2

Answer:

A. Cerebellum: It maintains posture, equilibrium and muscle tone.

B. Diencephalon: It is a reflex centre for muscular and glandular activities. It is relay centre for sensory impulses, except those of smell.

C. Medulla oblongata: It maintains posture, equilibrium and muscle tone. It controls voluntary movements initiated by the cerebrum.

D. Pons Varolii: It transmits impulses from one side of the cerebellum to the other and from medulla to higher centres in the brain.

So, the correct answer is A 'Medulla oblongata'.

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