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communications et bureautique

sense organs image

sense organs
Portions of the body enabling information from the outside world to be received through specific receptors that are connected to the brain by the nerves.

touch
Sense enabling the skin to detect sensations (contact, heat, pain and others) due to specialized receptors spread widely over the surface of the body.


skin	finger	hand

hearing
Sense that perceives sounds and maintains balance; the human ear is capable of distinguishing almost 400,000 sounds.


auricle	structure of the ear	auditory ossicles

smell and taste image

smell and taste
Since the oral and nasal cavities are connected, the olfactory sense affects taste. The human being can distinguish four basic flavors and almost 10,000 odors.


mouth	nasal fossae	external nose

dorsum of tongue	taste receptors

sight
The human being possesses a highly developed visual sensitivity, far superior to that of the other senses.


eye	eyeball	photoreceptors