Homeostasis
Stimulus-Response Model
Structures
100

The maintenance of a stable internal environment in the body

homeostasis

100

Detects the stimulus

receptor

200

Sends signals to the effectors

control centre

200

This gland is in the brain and it regulates many body processes including temperature.

hypothalamus

300

The ideal target value for a variable

set point

300

A change detected by the body is called a

stimulus

300

This pair of organs helps regulate the amount of water in the blood

kidneys

400

Normal variations above or below the set point

set point range (or normal range)

400

Muscles or glands that act to correct the change are known as

effectors

500

When the condition is brought back within the normal range

response

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