Blood Vessels

Blood vessel of diaphragm is called

Blood vessel in pheretima having valves is

Commisural blood vessel connects (A) Dorsal blood vessel to ventral blood vessel (B) Sub neural blood vessel to Dorsal blood vessel (C) Sub neural blood vessel to supro oesophageal blood vessel (D) Latero oesophageal blood vessel to supro oesophageal blood vessel

______prevents coagulation of blood in blood vessel.

The blood vessel that gathers blood in earthworm

The smallest blood vessel in the body is :-

The dorsal blood vessel in Pheretima is