What are the advantages and disadvantage of a closed circulatory syste

1.	What are the advantages and disadvantage of a closed circulatory system
Answer» Advantage :- blood will only flow in blood cavity not in our complete body disadvantage:-if blood will not flow in blood cavity then it can cause harm like when itwent in our btain then it will cause haemorrhage (disease). This is in humans but in cockroaches there is open circulatory system. Maybe it\'s enough.

Discussion