Multiple Choice
Which statement about the open circulatory system of a crayfish is false?
A) A pump is present.
B) Blood is returned to the heart in veins.
C) The blood is part of the interstitial fluid.
D) Interstitial fluid bathes the tissues directly.
E) Crayfish have many arteries,which extend forward and backward from the heart.
Correct Answer:

Verified
Correct Answer:
Verified
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