A key advantage of having a four-chambered heart is ____.
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) lungs are only possible with a four-chambered heart
E) blood oxygenates more quickly

Question

A key advantage of having a four-chambered heart is ____.​
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) ​lungs are only possible with a four-chambered heart
E) ​blood oxygenates more quickly

Quizplus · Accepted Answer

The Answer of A key advantage of having a four-chambered heart is ____.​
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) ​lungs are only possible with a four-chambered heart
E) ​blood oxygenates more quickly

A Key Advantage of Having a Four-Chambered Heart Is ____