Although the skier has a jacket on, she is still cold. How can her circulatory system help keep her warm? A. The arterioles at the surface of her skin can vasoconstrict so more heat leaves her body;
B. The arterioles at the surface of her skin can vasodilate so less heat leaves her body;
C. The arterioles at the surface of her skin can vasodilate so more heat leaves her body;
D. The arterioles at the surface of her skin can vasoconstrict so less heat leaves her body;