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Biology Revision Notes:
The nervous system:

Receptor ­ detects stimuli
Effectors ­ responds to a stimuli e.g. muscles and glands
Irritability ­ the ability to detect and respond to stimuli
Feedback control ­ when a change is detected by a receptor then
corrector by an effecter and the effecter is…

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Electrochemical impulses along Chemicals travel in blood
neurones/nerves
Rapid transmission Slower transmission
Immediate response Slower response
Short-lived response Long-term response
Response exact Response widespread

Hypothalamus ­ responsible for regulation of body temperature,
plasma water potential and initiation of menstrual cycle
Pituitary body ­ known as the "master gland" it controls…

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