After reading this chapter, you should be able to:

1. Define sensation.

2. List the sensory modalities and briefly describe each.

3. Describe olfactory neurons and explain what is known about how airborne molecules can stimulate action potentials in the olfactory nerves.

4. Outline the structure and function of a taste bud.

5. List the accessory structures of the eye and explain their functions.

6. Name the tunics of the eye, list the parts of each tunic, and give the functions of each part.

7. Explain the differences in function between the rods and cones.

8. Describe the chambers of the eye and the fluids they contain.

9. Explain how images are focused on the retina.

10. Describe the structures of the outer and middle ear, and state the function of each.

11. Describe the anatomy of the cochlea and explain how sounds are detected.

12. Explain how the structures of the vestibule and semicircular canals function in static and kinetic equilibrium.