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Homeostasis
Term | Definition |
---|---|
Receptor | Receptors are groups of specialised cells. they detect stimulants, and changes within in enviroment |
Coordination Centre | coordination centres receive and process information |
Effector | A muscle or gland that carries out the appropriate response. |
Homeostasis | The main regulations of internal conditions to maintain optimal conditions for enzyme action and cell function |
Sensory Neuron | A nerve cell that sends information via impulses into the CNS |
CNS (central nervous system) | The central nervous system, consisting of the brain and spinal chord |
Stimulus | A change in the environment- eg. light |
Motor Neuron | A nerve cell that sends information via impulses from the CNS to an effector |
Reflex | A response the body carries out without thinking |
Relay Neuron | A small nerve cell in the CNS that transmits information between neurons |
Synpase | A gap between nerve cells |
PNS | The peripheral nervous system, consists of nerves connecting the CNS to bodily organs and effectors |
Impulses | Electrical messages that transmit information along a neurone |