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Respoirated centre of brain is mainly st...

Respoirated centre of brain is mainly stimulated by

A

`CO_(2)` concentration in venous blood

B

`O_(2)` concentration in artery blood

C

`CO_(2)` concentration in artery blood

D

`O_(2)` concentration in venous blood

Text Solution

Verified by Experts

The correct Answer is:
B
Respiratory centre controls the rate of respiration . Respiration centre is located in medulla oblongata and pons. It has the following components (i) inspiratory area -connected to inspiratory muscles ,
(ii) Pneumotaxic area, (iii) Expiratory area, (iv)chemosensitive area. Chemoreceptors located o carotide and aortic bodies are sensitive to oxygen deficiency in arterial blood. They send information to respiratory centre.
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