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Physiology of Respiration

Respiratory s...

Question

Respiratory system is regulated by

A

Hypothalamus

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B

Cerebellum

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C

Medulla ablongata

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D

Olfactory nerves

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Solution

The correct option is C
Medulla ablongata

The respiratory centers (RCs) are located in the medulla oblongata and pons, which are parts of the brainstem. The RCs receive controlling signals of neural, chemical and hormonal nature and control the rate and depth of respiratory movements of the diaphragm and other respiratory muscles.

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Similar questions

Q. What are the function of cerebrum, cerebellum and Medulla ablongata?

Q. Match these parts with their functions:

(Medulla oblongata, cerebellum, forebrain, thalamus, cerebral cortex, hindbrain, pons, hypothalamus)
a) Sleep centre and respiratory centre.
b) Several reflexes involved in the regulation of heartbeat, blood vessel contraction, breathing, etc.
c) Consists of cerebrum, thalamus, and hypothalamus.
d) Motor and sensory areas.
e) A major conducting centre for sensory and motor signaling.
f) Regulation of sexual behavior.
g) Consists of the pons, cerebellum, and medulla oblongata.
h) Coordinates the group movements of voluntary muscles, as in walking or running.

Q. The part of brain which takes part in regulating respiration in the human body is :
(a) medulla
(b) pons
(c) cerebellum
(d) cerebrum

Q. Assertion :Medulla is considered as respiratory center in animals. Reason: Rate of breathing is regulated by medulla, because of the changes in

O_{2}

content of blood.

Within the brain, the autonomic nervous system is regulated by the hypothalamus.

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