Question

3. While the different phyla, their animals and their circulatory system in a
tabular form​

Answer 1

Answer:

Closed and open circulatory systems: (a) In closed circulatory systems, the heart pumps blood through vessels that are separate from the interstitial fluid of the body. ... In an open circulatory system, the blood is not enclosed in the blood vessels, but is pumped into a cavity called a hemocoel