Biological Science
(BIO 100)
Final Exam Revision Guide
CHAPTER 39: THE SENSES

How do sensory receptors work?

In biology, an electrical signal generated in the body as a result of internal of external
stimuli, can be referred to as what?

Name the different types sensory receptors.

What stimuli activate the different types of sensory receptors?

How do mechanoreceptors work in organs?

How does the ear detect sound? Explain the structures involved.

Explain the path of light as it hits the eye.

Explain how chemicals are sensed, referring to the olfactory system and taste
receptors.

How many different tastes can humans sense?