Temperature regulation

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Temperature regulation

  • Thermoregulatory centre in hypothalamus monitor blood temp.

  • Human skin has many functions

    • Tough outer layer to resist mechanical damage

    • Barrier to disease-causing microbes

    • Impermeable surface (stops water loss)

    •  Sense organ for touch and temp. Changes

    • Controls heat loss via body surface

  • Made up of 3 layers

    • Epidermis

      • Consists of dead cells

      • Waterproof

      • Barrier to pathogens

    • Dermis

      • Sensory cells

      • Blood vessels

      • Sweat glands

      • Hair follicles

    • Hypodermis

      • Fat layer

      • Insulation

      • Energy store

  • Hypothalamus detects rise in core body temp.

    • Sweat

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