The Water Vascular System of Echinoderms

The water vascular system of echinoderms

A) functions as a circulatory system that distributes nutrients to body cells.
B) moves water through the animal's body during suspension feeding.
C) is analogous to the gastrovascular cavity of flatworms.
D) functions in locomotion and feeding.
E) is bilateral in organization, even though the adult animal is not bilaterally symmetrical.