Biology
Define water vascular system
![](https://d22o6al7s0pvzr.cloudfront.net/images/bookrags/qa/avatars/School/Stack_of_Books.png)
Asked by
bookragstutor
Last updated by
Jill W
The water vascular system is a network of hydraulic canals unique to echinoderms that branches into extensions called tube feet, which function in locomotion, feeding, and gas exchange.