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15 cards from this deck
How body maintains steady temperature at 37°C
37°C
Epidermis (outer) and Dermis (deeper)
Blood vessels near skin widen/get wider
Blood vessels near skin narrow/get narrower
More warm blood flows near skin, heat transfers to air
Sweat evaporates, removing heat energy from skin
Less blood near skin, less heat lost to air
To prevent heat loss through evaporation
Muscles contract/relax rapidly, releasing heat energy
In the brain
In the skin
Hair muscles contract, pulling hairs upright
Trap layer of warm air for insulation
Temp receptors in skin detect changes
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