Science Notebook - Student Edition

(Steven Felgate) #1
Nervous System 339

Taste and Smell
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on page.

Sight
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Identify the sensor y receptors in the mouth and nasal cavity.

Sensory
receptors

Compare the steps in smelling and tasting. Write the steps for
smelling on the left. Write the steps for tasting on the right. Some
steps have been completed for you.

Chemical molecules touch
receptors in your nose.

The cells of taste buds are
depolarized.

The olfactory nerve sends
the impulses to the brain.

Compare how rods and cones in your eyes help you to sense light.



Rods Cones
Both







Section 33.3 The Senses (continued)

Main Idea Details


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