Sensory receptors can be classified according to their source of stimulus. are found close to the body surface and react to stimuli in the external environment.
a. exteroceptors
b. visceroceptors
c. proprioceptors
d. interoceptors

A. Exteroceptors

Explanation:

Exteroceptors are the receptors that are located at or near the external body surfaces. These receptors are sensitive to stimuli that are produced outside the body. Exteroceptors are involved in informing the body about the external stimuli. Exteroceptors serve to sense the stimuli related to temperature, pressure, touch, smell, etc. and inform the body about the same.

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