Multiple Choice
Which of the following would be described as a portal system?
A) an area connecting arterioles to venules
B) a series of vessels that returns blood to the heart in an animal with an open circulatory system
C) a space within or between organs where blood is allowed to pool
D) a slightly muscular vessel that has minimal pumping action in an organism with no heart
E) a vessel or vessels connecting two capillary beds
Correct Answer:
Verified
Correct Answer:
Verified
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