Difference between open circulatory system and closed circulatory system
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Distinguish between open and closed type of circulatory system.
Answered by admin @
OPEN CIRCULATORY SYSTEM
1. Blood flows in open tissue spaces, the sinuses, without proper walls.
2.Blood is in direct contact with the tissue cells.
3.Blood flow is very slow.
4.This type of system is less efficient as the blood flow cannot be regulated.
5. Occurs in arthropods and most mollusks.
CLOSED CIRCULATORY SYSTEM
1. Blood flows in closed tubes, the blood vessels, with definite walls.
2. Blood does not come in direct contact with the tissue cells.
3. Blood flow is quite rapid.
4. The system is more efficient as the blood flow can be regulated.
5. Occurs in annelids and vertebrates.
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