Functions of the skin

Descripción

Biology
hannahcollins030
Mapa Mental por hannahcollins030, actualizado hace más de 1 año
hannahcollins030
Creado por hannahcollins030 hace más de 10 años
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Resumen del Recurso

Functions of the skin
  1. Protection
    1. Epidermis-damage,water loss,entry of pathogens
      1. Melanin- ultraviolet radiation
        1. Sebum Oil-keeps epidermis intact
        2. Vitamin Production
          1. Vitamin D made
          2. Food Store
            1. Fat stores energy
            2. Excretion
              1. Sweat removes water and salts from body
              2. Sense organ
                1. Has receptors-allow to sense touch,pain & temp
                2. Temperature Regulation
                  1. Cold
                    1. Hair stands up
                      1. Blood vessels become narrow
                        1. Shivering
                        2. Warm
                          1. sweating
                            1. Blood vessels dialate (widen)
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