Hot vs Cold (homeostatsis)

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8 Terms

1
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Vasodilation

Arteriles dilate (enlarge) so more blood enters skin capillaries and heat is lost (hot)

2
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Sweating

Sudorific glands secrete sweat which removes heat when water changes state (hot)

3
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Pilorelaxation

hair flattens (hot)

4
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Stretching out

by opening up, the body becomes a larger surface area (hot)

5
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Vasoconstriction

arterioles get smaller to reduce blood going to skin: keeping core warm (cold)

6
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Shivering

rapid contraction and relaxing of skeletal muscles, heat produced by respiration (cold)

7
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Piloerection

Hairs on skin stand up (cold)

8
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Curling up

Making yourself smaller, so smaller surface area (Cold)