Question

difference between open and closed circulatory system

Answer 1

The blood in a closed circulatory system is enclosed in blood vessels as it moves around the body of the organisms. The blood is pumped from the heart and stays confined within these blood vessels. 
In open circulatory system, the blood is pumped from the heart into body cavities and surrounds the body tissues. The blood is pumped into an hemocoel and treturns to the circulatory system by passing through cells.

Answer 2

Explanation:

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