Length:
3:52
We learn how a sea star’s skeleton works and then travel inside the sea star to see the nerve ring and how the hydraulic system of tube feet works.
We learn how a sea star’s skeleton works and then travel inside the sea star to see the nerve ring and how the hydraulic system of tube feet works.
The sea star’s body plan is a system based on five-part symmetry. All the tissues and organs are specialized for this unique way of life.