In this chapter outline, the learning objectives
and the selected key terms are given for each major head in the
chapter.
1. State the function of receptors within sense organs.
Selected Key Terms: receptor
Sensing Chemicals (p. 734)
2. Explain why the receptors for taste and smell are categorized as
chemoreceptors.
3. Describe the receptors for taste and smell in humans.
chemoreceptor, tastebud, olfactory cell
Sensing Light (p. 736)
4. In general, contrast the eye of arthropods with that of humans.
5. List the structures of the human eye, and give a function for each.
6. Contrast the action of the sight receptorsó the rods and the cones.
photoreceptor, compound eye, sclera, choroid, retina, rod, cone, optic nerve, astigmatism, rhodopsin
Sensing Mechanical Stimuli (p. 742)
7. Give examples of various types of mechanoreceptors in animals.
8. List the structures of the human ear, and give a function for each.
9. Explain how the ear serves as an organ for dynamic and static equilibrium.
10. Describe the organ of Corti, and explain how it functions to permit hearing.
mechanoreceptor, tympanic membrane, semicircular canal, ampulla, utricle,
saccule, otolith, cochlea, cochlear canal, tectorial membrane, organ of Corti
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