Which statement about open circulatory systems is false?
A) A pump is usually present.
B) In arthropods, blood is pumped out of openings in the heart called ostia.
C) The hemolymph is part of the extracellular fluid.
D) Interstitial fluid bathes the tissues directly.
E) They are found in mollusks and arthropods.

Question

Quizplus · Accepted Answer

In arthropods, blood is pumped out of the heart through a series of arteries and into the hemocoel. The heart does not have openings called ostia.

Which Statement About Open Circulatory Systems Is False