Controlling Body Temperature 3.0 / 5 based on 1 rating ? BiologyCells, tissues and organsGCSEOCR Created by: Hayley GoddardCreated on: 09-05-13 21:07 Temperature receptors in the skin are used to detect what? The external temperature 1 of 11 Receptors in the hypothalamus detect what? The temperature of the blood 2 of 11 Where is the hypothalamus? In the brain 3 of 11 What does the nervous system help control? The body temperature 4 of 11 What is vasodilation? Blood vessels close to the skins surface get bigger in diameter 5 of 11 What happens due to vasodilation? Means that more blood gets to the surface of the skin. 6 of 11 Why is vasodilation used? If your body gets too hot 7 of 11 What happens when your body gets too cold? Vasoconstriction 8 of 11 What is vasoconstriction? Blood vessels close to the skins surface get smaller in diameter 9 of 11 What happens due to vasoconstriction? Less blood gets to the surface of your skin 10 of 11 When your cold you shiver. What does shivering do? Increases the rate of respiration and warms the tissue surrounding muscles 11 of 11
Comments
No comments have yet been made