Biology, asked by pradeepcheruku3, 4 months ago

What is closed type of circulatory system?​

Answers

Answered by sudeshna75banerjee
2

Answer:

Closed circulatory systems (evolved in echinoderms and vertebrates) have the blood closed at all times within vessels of different size and wall thickness. In this type of system, blood is pumped by a heart through vessels, and does not normally fill body cavities. Blood flow is not sluggish.

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Answered by Anonymous
2

Answer:

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Explanation:

Closed circulatory systems (evolved in echinoderms and vertebrates) have the blood closed at all times within vessels of different size and wall thickness. In this type of system, blood is pumped by a heart through vessels, and does not normally fill body cavities.

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