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Blood vessels in Pheretima, which have v...

Blood vessels in Pheretima, which have valves are

A

dorsal

B

ventral

C

supra-oesophageal

D

lateral oesophageal

Text Solution

Verified by Experts

The correct Answer is:
A
Blood vessels of Pheretima, which have valves are dorsal. Blood passes from backward to forward direction. To prevent the backward flow of the blood, valves are present infront of each septum.
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