Receptor  Classification According to
Origin of Stimulus
Exteroceptors respond to stimuli from outside
the body - vision, sound, touch, smell,
temperature, pain etc.
Interoceptors or visceroceptors respond to
stimuli arising within the body such as chemical
stimuli, deep pressure, and many others.
 Proprioceptors respond to muscle or tendon
stretch and help the body monitor body position
(body sense).