The Human Skeleton Answers

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1
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Examine the words.impulse, presynaptic cell, neurotransmitters, receptors, postsynaptic cellWhat idea can be described using all the words listed?

A
the difference between the somatic and autonomic nervous systems
B
the transfer of information from one neuron to another
C
the difference between the central and peripheral nervous systems
D
the flow of information within a neuron
2
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Which autonomic system is most likely to be dominant while someone is experiencing stress about an upcoming job interview?

A
the peripheral nervous system
B
the sympathetic nervous system
C
the somatic nervous system
D
the parasympathetic nervous system
3

The sympathetic and parasympathetic nervous systems are both part of which division of the nervous system?

A
the central nervous system
B
the peripheral nervous system
C
the somatic nervous system
D
the autonomic nervous system
4

Which structure is at work when the body deals with reflex actions?

A
the heart
B
the brain stem
C
the vertebral column
D
the spinal cord
5

Which statement best describes the central nervous system?

A
It senses stimuli and carries out a reaction.
B
It secretes hormones.
C
It is made up of all nerve cells.
D
It is made up of the brain and the spinal cord.
6

Which is a function performed by the central nervous system (CNS)? Select all that apply.processing information that is received from the stimuli receptorsreceiving stimuli and making the body react to those stimulisending out information so that the body can react appropriately to stimulicoordinating reflexes and reactions to stimulisensing stimuli and causing reactions in the body

A
processing information that is received from the stimuli receptors
B
receiving stimuli and making the body react to those stimuli
C
sending out information so that the body can react appropriately to stimuli
D
coordinating reflexes and reactions to stimuli
E
sensing stimuli and causing reactions in the body
7

Which is an example of how the peripheral nervous system helps the body maintain its internal environment?

A
Muscles produce keratin so that hair can grow stronger.
B
Sweat glands break down the food that is consumed.
C
Muscles contract rapidly to produce heat on a cold day.
D
The brain recalls information to help take a test.
8

What happens to the body when motor neurons are injured?

A
It releases more neurotransmitters.
B
It loses muscle movement.
C
It experiences increased stimuli.
D
It shows a decrease in inflammation.
10

Which is an example of when Hector's somatic sensory system is in control?

A
After a long run, his body is sweating.
B
When jogging, he sees an ice patch and decides to change directions to a different route.
C
His eyes dilate because he sees something scary.
D
He eats a large meal and his body takes multiple hours to digest it.

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