File:Sea Star Anatomy Part 2

Description
("Part 1: external anatomy and dissection procedures" can be found here: http://www.youtube.com/watch?v=TioCree5axI)

Internal anatomy of a sea star. Phylum Echinodermata, Class Asteroidea.

This video was made by the teaching assistant (C. Ernst) for the students of Organisms II at McGill University, but is appropriate for any introductory-level zoology program.

Organisms II, 2012