Which of these is not a characteristic of an open circulatory system?
A)Found in mollusks and arthropods.
B)Contains hemolymph.
C)There is no distinction between blood and interstitial fluid or lymph.
D)Blood is enclosed within blood vessels.

Question

Quizplus · Accepted Answer

An open circulatory system lacks true blood vessels and blood is circulated in open spaces throughout the body, which is not enclosed within vessels. Therefore, the correct option is D.

Which of These Is Not a Characteristic of an Open