Question

What is circulatory system in Echinodermata (closed/open) ?

Answer 1

Answer:

Echinoderms have a network of fluid-filled canals that function in gas exchange, feeding and in movement. The network contains a central ring and areas which contain the tube feet which stretch along the body or arms.

Answer 2

Explanation:

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✔Unlike humans who have a closed circulatory system where their blood is closed off to the outside, echinoderms have an open circulatory system.

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