Although the skier has a jacket on, she is still cold. How can her circulatory system help keep her warm?

  • The arterioles at the surface of her skin can vasoconstrict so less heat leaves her body
  • The arterioles at the surface of her skin can vasoconstrict so more heat leaves her body
  • The arterioles at the surface of her skin can vasodilate so less heat leaves her body
  • The arterioles at the surface of her skin can vasodilate so more heat leaves her body
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