Download Chapter 17.2 Review

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Skills Worksheet
Chapter 17.2 Review
USING VOCABULARY
1. Academic Vocabulary Explain how the terms structure and function differ.
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Complete each of the following sentences by choosing the correct term from the word
bank.
cochlea
axon
reflex
nerve
retina
central nervous system
neuron
2. The two parts of your ______________________ are your brain and
spinal cord.
3. Sensory receptors in the ______________________ detect light.
4. A(n) ______________________ is an involuntary and almost immediate
movement in response to a stimulus.
5. The ______________________ is a part of the ear that responds to vibrations
by creating electric impulses.
6. A(n) ______________________ is a specialized cell that receives and
conducts electric impulses.
UNDERSTANDING CONCEPTS
_____ 7. Which of the following has receptors for smelling?
a. cochlea cell
b. thermoreceptors
c. olfactory cell
d. optic nerve
_____ 8. Which of the following allows you to see the world in color?
a. cones
b. rods
c. lenses
d. retinas
Name ______________________________ Class __________________ Date __________________
Chapter Review p.2
_____ 9. What must first happen in order for you to see?
a. An object must reflect light.
b. Light must strike the cochlea.
c. The tympanic membrane must be open.
d. Motor neurons must send impulses.
_____ 10. The peripheral nervous system does NOT include
a. the spinal cord.
b. axons.
c. sensory receptors.
d. motor neurons.
_____ 11. Which part of the brain regulates blood pressure?
a. right cerebral hemisphere
b. left cerebral hemisphere
c. cerebellum
d. medulla
_____ 12. Which part of the ear gathers and directs sound waves into the ear canal?
a. stirrup
b. external ear
c. inner ear
d. eardrum
Short Answer
13. Concluding What is the difference between the somatic nervous system and the
autonomic nervous system? Why are both systems important to the body?
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14. Comparing What is the relationship between the CNS and the PNS?
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15. Describing What is the function of the bones in the middle ear?
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Chapter Review p. 3
WRITING SKILLS
16. Communicating Concepts Sensory organs, such as your eyes and ears, have
special structures. Write a brief essay describing the relationship between the
structures and functions of your eyes or ears.
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Name ______________________________ Class __________________ Date __________________
Chapter Review p.4
CRITICAL THINKING
17. Concept Mapping Use the following terms to create a concept map: nervous
system, spinal cord, medulla, peripheral nervous system, brain, cerebrum, central
nervous system, and cerebellum.
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Chapter Review p.5
18. Making Comparisons Compare a feedback mechanism with a reflex.
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19. Analyzing Ideas Why is it important for the eye to have a lens that can change
shape?
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20. Applying Concepts Why must your reflexes happen without your thinking
about them?
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21. Predicting Consequences What would happen if your autonomic nervous
system stopped working?
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22. Making Comparisons How are the peripheral nervous system and the central
nervous system similar? How are they different?
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Name ______________________________ Class __________________ Date __________________
Chapter Review p.6
23. Making Inferences Sensory organs are concentrated in the human head. You
cannot see, hear, taste, or smell with any other part of your body. Why are the
eyes, ears, tongue, and nose located so close to one another?
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24. Expressing Opinions Most mammals, such as cats and dogs, walk on four legs.
When they walk into a room, their head is the first part of their body to enter. Why
is it important for their head to enter first?
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25. Applying Concepts Draw an eye. Label all of the parts that you have learned
about, and describe the function of each part.
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Name ______________________________ Class __________________ Date __________________
Chapter Review p.7
26. Analyzing Processes Describe the steps involved in converting a sound wave
into a nerve impulse in the human ear. Be sure to include the name of each
structure involved in each step.
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27. Making Comparisons How do the structure and function of the external ear of a
human relate to the structure and function of the external ear of a rabbit?
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INTERPRETING GRAPHICS
Use the diagram below to answer the next question.
28. Making Inferences In the diagram above, how would the function of the ear be
affected if A were not present?
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Name ______________________________ Class __________________ Date __________________
Chapter Review p.8
MATH SKILLS
29. Solving Problems Sound travels about 347 m/s. If your ear canal is 15 mm long,
how long does a sound take to travel from the entrance of your ear canal to your
eardrum? Show your work below.
CHALLENGE
30. Analyzing Relationships Describe how your nervous system responds to and
regulates its internal environment.
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