AnswersCUSD Psychology 5.0Structures of the Nervous System

Structures of the Nervous System Answers

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Identify the four main divisions of the peripheral nervous system and explain each one’s function.

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2
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Identify the nervous system responsible for calming the body and conserving energy.

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3

Identify and explain how the central nervous system is supported and protected.

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4

Name and define the two types of impulses sent through the cranial and spinal nerves of the peripheral nervous system.

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5

Control of glands and the muscles of internal organs is a function of the __________ nervous system.

A
parasympathetic
B
somatic
C
peripheral
D
autonomic
6

About how many neurons are in the brain?

A
10,000
B
100 billion
C
10 trillion
D
100 million
7

Controlling voluntary skeletal muscles is a function of the __________ nervous system.

A
sympathetic
B
somatic
C
autonomic
D
central
8

Which of the following is the best example of the function of the peripheral nervous system?

A
It connects the central nervous system to the rest of the body.
B
It commands the rest-and-digest and fight-or-flight functions of the body.
C
It connects the central nervous system to the muscles of the body.
D
It commands reflexes, digestion, heartbeat, and other functions of the body.
9

Which of the following best describes the function of the sympathetic nervous system?

A
It creates equilibrium in the body.
B
It arouses the body and expends energy.
C
It raises the energy level of the body.
D
It calms the body and conserves energy.

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