Question

what is mean by receptor

Answer 1

An organ or cell able to respond light, heat or other external stimulus and transmit a signal to a sensory nerve is known as RECEPTOR

Answer 2

A group of cell which receive a stimuls from nerve endings , they passes this information to the other sensory neurons . The sensory neuron convey the information in the form of nerve impulse to the brain.
The brain analyses the information and send the order by means of motor nerves to the affected organ for adequate respone through receptors......