Multiple Choice
Match each type of animal to the description of its circulatory system.
-mammals
A) a heart that has two chambers and one circuit
B) a heart that has three chambers and two circuits
C) a heart that has three chambers (and a partially formed septum in the ventricle) and two circuits
D) a heart that has four chambers and two circuits
Correct Answer:

Verified
Correct Answer:
Verified
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