Biology: hormones and homeostasis

Descripción

iGCSE Biology Mapa Mental sobre Biology: hormones and homeostasis, creado por cleo.moseley9 el 19/02/2015.
cleo.moseley9
Mapa Mental por cleo.moseley9, actualizado hace más de 1 año
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Creado por cleo.moseley9 hace más de 11 años
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Resumen del Recurso

Biology: hormones and homeostasis
  1. hormones
    1. testosterone
      1. testes
        1. controls male puberty, development of sperm
      2. oestrogen
        1. ovaries
          1. controls female puberty, controls menstrual cycle
        2. insulin
          1. pancreas
            1. controls blood sugar levels
              1. keeps it down
          2. adrenaline
            1. adrenal glands
              1. controls body for action
                1. skin gets pale
                  1. rapid breath and heart rate
                    1. increase in energy
                      1. o2 and glucose intake increases and it it diverted to muscles
                    2. blood diverted from digestive system
                      1. glycogen in muscles are converted to glucose
                    3. chemical messengers produced by endocrine glnds
                      1. transported via blood to target organs
                    4. homeostasis
                      1. maintenance of constant internal environment
                        1. glucose, water and temperature must be kept the same
                        2. normal blood glucose
                          1. eat meal
                            1. pancreas releases insulin
                              1. glucose regulation, liver converts glucose to glycogen
                                1. normal blood glucose
                            2. exercise
                              1. pancreas releases glycogen
                                1. liver converts glycogen to glucose
                                  1. normal blood glucose
                            3. negative feedback
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