Question

Give a note on circulatory and locomotory systems of echinodermata

Answer 1

Answer:

Water vascular system present in the echinoderms is a unique circulatory system. This accounts for the gaseous exchange, circulation of nutrients, waste elimination as well as locomotion. This system has a central ring canal and radial canals that extend along each arm. Through these structures, water circulates.

Explanation:

Sorry but i didnt find circulatory hope this helps

Answer 2

Answer : WATER VASCULAR SYSTEM

It is is the unique feature of ecinodermata. It is a system of fluid filled colonic canal responsible for the locomotion.

Explanation: