The human circulatory system is described as a double-loop system. What are the functions of the two loops? Select two answer choices, one for each of the two loops.
A. One loop supplies blood to the lungs, where gas exchange occurs.
B. One loop supplies blood to the brain, the most important organ of the body.
C. One loop supplies blood to the left half of the body.
D. One loop supplies blood to the right half of the body.
E. One loop supplies blood to most of the organs of the body.