Receptors are groups of specialised cells. They can detect changes in the environment, which are called stimuli, and turn them into electrical impulses. Receptors are often located in the sense organs, such as the ear, eye and skin. Each organ has receptors sensitive to particular kinds of stimulus.
Skin is sensitive too- Touch, pressure, pain and temperature
Tongue is sensitive too- Chemicals in food
Nose is sensitive too- Chemicals in the air
Eyes are sensitive too- Light
Ears are sensitive too- sound and position of the head
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