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Question : Define receptors. Enlist different types of receptors.

Answer»

Solution :1. Receptors : Receptors are specialized cells, tissues or ORGANS present in the body which receive different stimuli.
2. Types of receptors :
(1) Receptors are of two types, VIZ. exteroceptors and INTEROCEPTORS.
(2) Exteroceptors receive stimuli directly from the· external environment. They are somatic in nature.
(3) Interoceptors are located inside the. body and are visceral in nature. They respond to internal changes in the body.
(4) The various types of exteroceptors and interoceptors, their location and functions have been summarized in the given table :


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