Nervous Flashcards

1
Q

What does ATP do?

A

Power contractions

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2
Q

ATP

A

Adenosine triphosphate

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3
Q

What are spinal nerve bundles of?

A

Nerve fibers which are axons and dendrites

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4
Q

What is synapse?

A

Structure that allows neurons to pass signals on

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5
Q

What happens when impulse reaches axon?

A

Releases chemical neurotransmitters into synapse

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6
Q

Where is a stimulus picked up?

A

Dendrites which sent through cell body along axon terminal branches

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7
Q

What is an axon?

A

Extension that says impulse from neuron body to axon terminal

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8
Q

What is a dendrite?

A

Receptor that gets nerve impulses

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9
Q

Anatomy of a neuron

A

Cell body nucleus, most organelles and nerve fibers

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10
Q

Neurons

A

Electrical impulses that gather processed info

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11
Q

Autonomic division

A

Involuntary controls muscles, smooth muscles and glands of organs systems

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12
Q

Somatic division

A

Voluntary controls skeletal muscles

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13
Q

What is the spinal cord compared to?

A

Multiple lane highway, which connects to brain

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14
Q

How does the brain get a motor response?

A

Internal and external environments

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15
Q

What does the CNS contain?

A

Brain and spinal cord

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16
Q

PNS

A

Peripheral nervous system

17
Q

CNS

A

Central nervous system

18
Q

How does the nervous system communicate?

A

Neurons information using nerve impulses

19
Q

Function

A

Gather information from internal and external environments to communicate body changes