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Which of the following cranial nerves ca...

Which of the following cranial nerves can regulate heartbeat?

A

X

B

lX

C

Vlll

D

Vll

Text Solution

Verified by Experts

The correct Answer is:
A
Xth cranial nerve is vagus or phenumogastric nerve which originates from lateral side of medulla oblongata behind IX cranial nerve. It is a mixed nerve, its sencory fibres innervate to receptor present in the wall of visceral organs. Whereas, its motor fibres innervates to muscles in the wall of visceral organs-like heart, alimmentray canal, trachea, lungs, kidneys, genital tracts etc. It also regulates heartbeat.
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