12714284
Descrição
Mapa Mental por Cushla Whetton, atualizado more than 1 year ago
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Criado por Cushla Whetton
quase 7 anos atrás
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Homeostasis
- + Positive
Feedback
- Enhance
stimulus
- E.g. Child birth & blood clotting
- Enhance
stimulus
- - Negative
Feedback
- Reverse
stimulus
- E.g. Maintaining body temp & blood glucose levels
- Reverse
stimulus
- Stimulus
- Receptor
- Control centre
- Effector
- Physiological response
- Evaporation of sweat, body temp falls, stimulus ends
- Evaporation of sweat, body temp falls, stimulus ends
- Responds to change
- E.g. Sweat glands activated
- E.g. Sweat glands activated
- Physiological response
- Efferent
pathway
- Info sent from control centre to effector
- Info sent from control centre to effector
- Measures change against set point
- E.g. Thermoregulatory centre in brain
- E.g. Thermoregulatory centre in brain
- Effector
- Afferent pathway
- Info sent from receptor to control centre
- Info sent from receptor to control centre
- Detects change
- E.g. Temp-sensitive cells in skin & brain
- Control centre
- Produces change
- E.g. Body temp rises
- Receptor
- Maintain
balance
- Optimal
functioning
- Internal
environment
- Internal
environment
- Optimal
functioning
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