15: The Senses
After completing this section, you should know:
- that the general senses of touch, pressure, pain etc. are situated in the dermis of the skin and in the body
- that the special senses include those of smell, taste, sight, hearing, and balance
- the main structures of the eye and their functions
- the route taken by light through the eye to the retina
- the role of the rods and cones in the retina
- the advantages of binocular vision
- the main structures of the ear and their functions
- the route taken by sound waves through the ear to the cochlea
- the role of the vestibular organ (semicircular canals and otolith organ) in maintaining balance and posture
Thumbnail: The human tongue. (CC BY-SA-4.0; Mahdiabbasinv ).