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Which is true of contractile tissue of s...

Which is true of contractile tissue of sphincter ?
1. Mesodermal 2. Contain stretch receptors
3.Rhythmicity 4 . Indefatigible

A

All the four

B

Only 1 ,2 and 3

C

Only 1 , 2 and 4

D

Only 1, 3 and 4.

Text Solution

Verified by Experts

The correct Answer is:
B
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