Creado por masooma khan
hace casi 6 años
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Pregunta | Respuesta |
what is a stimulus? | a change in the environment |
what is homesostasis? | maintaining a stable internal environment |
what are the three main components of an automatic control system? | receptors, coordination centre and effectors |
what does an effector do? | detects a stimulus |
what is the role of the coordiantion centre? | receives and organises the information and organises a response |
what does an effector do? | produces a response which counteracts the change |
what does the nervous system do? | detects and reacts to stiumli |
what is the CNS? | central nervous system- consists of the brain and the spinal cord |
what does a sensory neurone do? | carries information as electrical impulses from the receptors to the CNS |
what does a motor neurone do? | the neurones that carry electrical impulses from the CNS to effectors |
give examples of effectors? | all muscels and glands which respond to nervous impulses |
what is a synapse? | connection between two neurones |
what is a reflex? | a rapid, automatic response to a stimulus that doesn't involve the conscious part of the brain |
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