How Does an Open Circulatory System Differ from a Closed

question 57

Multiple Choice

How does an open circulatory system differ from a closed one?

• A)An open circulatory system has vessels that open into cavities called sinuses whereas a closed circulatory system has only vessels.
• B)A closed circulatory system is completely encased in the body cavity whereas the open one is not.
• C)An open circulatory system opens into the heart whereas the closed circulatory system does not.
• D)An open circulatory system opens into arteries and is drained by veins whereas in a closed one it is just the reverse.
• E)An open circulatory system drains into the mantle cavity whereas a closed circulatory system drains into the hemolymph.

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