Examine Figure 32.1. Near a goose's abdomen, the countercurrent arrangement of the arterial and venous blood vessels causes
A) the blood in the feet to be as warm as the blood in the abdomen.
B) the temperature at the abdomen to be less than the temperature at the feet.
C) the loss of the maximum possible amount of heat to the environment.
D) the venous blood to be as cold near the abdomen as it is near the feet.
E) the temperature difference between the contents of the two sets of vessels to be minimized.
Answer: E