Nervous System Flashcards

1
Q

master controlling and communicating system of the body

A

nervous system

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2
Q

consists of the brain and spinal cord, acts as the integration and command center

A

CNS

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3
Q

consists mainly of nerves that extend from the brain to the spinal cord, carries impulses

A

PNS

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4
Q

made up of nerve fibers that convey impulses to the CNS from sensory receptors

A

sensory/afferent division

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5
Q

carries messages from the CNS to muscles and glands

A

motor/efferent divison

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6
Q

dispose of debris

A

microglia

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7
Q

line the brain and spinal cord, circulate fluid

A

ependymal

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8
Q

wrap around nerve fibers, fatty, make myelin sheaths

A

oligodendrocytes

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9
Q

create myelin sheaths in the PNS

A

schwann cells

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10
Q

cushion the PNS

A

satellite

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11
Q

neurons that process incoming impulses

A

dendrites

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12
Q

conduct signals away from neurons

A

axon

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13
Q

connects axon to the cell body

A

axon hillock

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14
Q

contain neurotransmitters

A

axon terminal

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15
Q

carry impulses across synapse

A

neurotransmitters

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16
Q

gap between neurons

A

synaptic cleft

17
Q

junction of neurons

18
Q

covers nerve fibers

19
Q

gaps in schwann cells

A

nodes of ranvier

20
Q

nuclei

A

controls cell