Write the differences between open and closed | vedclass

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(N/A) The differences between open and closed systems of circulation are as follows:      Open System of Circulation    Closed System of Circulation

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(N/A) The differences between open and closed systems of circulation are as follows:

Open System of Circulation	Closed System of Circulation
$(1)$ In this system,blood is pumped by the heart through large vessels into body cavities called sinuses.	$(1)$ In this system,blood is pumped by the heart through a closed network of vessels.
$(2)$ The body tissues are in direct contact with blood.	$(2)$ The body tissues are not in direct contact with blood.
$(3)$ Blood flows at low pressure; hence,it is a slower and less efficient system.	$(3)$ Blood flows at high pressure; hence,it is a faster and more efficient system.
$(4)$ The flow of blood is not regulated through the tissues and organs.	$(4)$ The flow of blood can be regulated by valves and vessel constriction.
$(5)$ This system is present in arthropods and molluscs.	$(5)$ This system is present in annelids,echinoderms,and vertebrates.

Write the differences between open and closed systems of circulation.