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Serotonin in the blood...

Serotonin in the blood

A

Relaxes blood vessels

B

Prevents clotting of blood

C

Helps in clotting of blood

D

Constricts blood vessels

Text Solution

Verified by Experts

The correct Answer is:
D
Serotonin is a brain neurotransmitter. High levels of serotonin constrict blood vessels and bronchial tubes, stimulate a strong heart heat and affect blood clotting. It is also associated with migraines because it constrict blood vessel or causes the blood vessels to spasm.
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