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Biological Science
(BIO 100)
Final Exam Revision Guide
CHAPTER 39: THE SENSES
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How do sensory receptors work?
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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.
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What stimuli activate the different types of sensory receptors?
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How do mechanoreceptors work in organs?
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How does the ear detect sound? Explain the structures involved.
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Explain the path of light as it hits the eye.
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Explain how chemicals are sensed, referring to the olfactory system and taste
receptors.
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How many different tastes can humans sense?