Multiple Choice
Which of the following is an advantage of having a four-chambered heart?
A) only oxygen-rich blood flows to tissues
B) blood pressure in the separate circuits is not independently controlled
C) two separate circuits are possible
D) only with a four-chambered heart are lungs possible
E) more than one of these is an advantage to having a four-chambered heart
Correct Answer:

Verified
Correct Answer:
Verified
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