Nervous System Flashcards

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1
Q

What are the two purposes of the nervous system?

A

control how your body moves and tells you if your in pain.

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2
Q

Main Functions of the Nervous System:

*coordinates activities of…

A

all body systems.

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3
Q

Main Functions of the Nervous System:

*carries electrical messages…

A

throughout the body.

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4
Q

Name the three main structures of the nervous system.

A

Brain, spinal cord, and nervous tissue.

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5
Q

What are the two divisions of the nervous system?

A

the central nervous system (CNS) and the peripheral nervous system (PNS)

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6
Q

The central nervous system (CNS) is made up of…

A

the brain and the spinal cord.

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7
Q

The peripheral nervous system (PNS) is made up of…

A

all other nervous systems.

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8
Q

What are neurons?

A

cells of the nervous system.

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9
Q

Neurons have a high metabolism. They need a large supply of what two compounds.

A

O2 and C6H12O6

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10
Q

The neuron cell body is called…

A

soma

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11
Q

The soma contains the usuall

A

cellular organelles

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12
Q

Dendrites are…

A

short, highly branched extensions that transfer information to the cell body

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13
Q

Axon are…

A

long projection that carries impulses away from the soma.

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14
Q

What is the space between neurons called?

A

synapse

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15
Q

Upon stimulation, neurons release chemicals called…

A

neurotransmitters

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16
Q

Neurotransmitters cause…

A

electrical impulse in the next neuron.

17
Q

Sensory neurons deliver information from sensory receptors to the…

A

central nervous system (CNS)

18
Q

What is the function of interneurons?

A

process sensory info in the central nervous system (CNS)

19
Q

Motor Neurons cause response by carrying info from the CNS to…

A

various organs and muscles.