Describe sensory receptors, Biology

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Q. Describe Sensory Receptors?

Receptor organs can detect external or internal stimuli. They can be classified according to the stimulus to which they respond:

• Photoreceptors (on retina)

• Chemoreceptors (smell, taste, blood solutes, osmolarity...)

• Mechanoreceptors (pressure, stretch, movement, vibration, pain -> Nocireceptors, ...)

• Thermoreceptors (temperature: Ruffini's corpuscule -heat- , Krause's bulb -cold-)


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