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Adrenaline directly affects...

Adrenaline directly affects

A

SA node

B

`beta-`cels of Langerhans

C

dorsal root of spinal nerve

D

epithelial cells of stomach.

Text Solution

Verified by Experts

The correct Answer is:
A
Adrenaline prepares the body for emergency reactions like gight and flight. Therefore, it directly affects the SA node to increase the rate of heart beat.
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Adrenaline increases

NCERT FINGERTIPS-CHEMICAL COORDINATION AND INTEGRATION-Chemical Coordination And Integration
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