Nervous System Flashcards

1
Q

system that receiving signals from and sending commands

to different areas of the body also known as communication system

A

nervous system

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2
Q

list the functions of nervous system

A

Receiving sensory input, integrating information, controlling muscles and glands, maintaining homeostasis, and establishing and maintaining mental activity.

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3
Q

the 2 major division of nervous system

A

Central nervous system and peripheral nervous system

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4
Q

carries information about the different
tissues of the body to the CNS and delivers commands from the
CNS to other body tissues that alter body activities.

A

PNS or peripheral nervous system

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5
Q

composed of sensory neurons, Responsible for sensation

A

sensory division

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6
Q

-Composed of motor neurons,responsible for response

A

motor division

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7
Q

a motor division system that involves voluntary movement

A

Somatic

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8
Q

a motor division system that involves involuntary movements

A

autonomic

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9
Q

responsible for generating and spreading action potentials

A

neurons

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10
Q

the main body of the neurons.Has organelles like nucleus nucleoulus,er,golgi apparatus

A

cell body

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11
Q

packages the proteins in vesicles

A

golgi aparatus

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12
Q

group of cell bodies in CNS

A

nuclei

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13
Q

group of cell bodies in PNS

A

ganglia

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14
Q

Short branched extensions that received the action potential and relay it to the body

A

dendrites

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15
Q

-a long extension from the body that transmits action potential to other cells

A

axon

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16
Q

area where the cell body and axon conencts

-action potential is generated from trigger zone

A

trigger zone

17
Q

bundle of axons in CNS

A

nerve tract

18
Q

bundle of axons in PNS

A

nerves

19
Q

end part of the axon where it transmit signals to other neurons,etc

A

axon terminal

20
Q

type of neuron that has single axon only

A

pseudo unipolar neuron

21
Q

type of neuron that has Single axon and dendrite

A

bipolar neuron

22
Q

type of neuron that has several dendrites and a single axon

A

multipolar

23
Q

Afferent neurons conductt signal toward the CNS

A

sensory

24
Q

Efferent neurons that conduct signal away from the CNS

A

motor

25
Q

conduct action potential from one neuron to another within the CNS

A

interneuron

26
Q

Cells of nervous system and supports neurons

A

glial cells

27
Q

the type of Type of glial cells that responsible for blood-brain barrier

A

astrocytes

28
Q

the type of glial cell that regulates flow of Cerebrospinal fluid

A

ependymal cells