Central Nervous System Flashcards

1
Q

Central Nervous System

A

Composed of the brain and the spinal cord

Communication and action occur in the body

Divided into two parts: CNS and PNS

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2
Q

Peripheal Nervous System

A

composed of nerves that branch- off from the spinal cord and innervate the body ‘

Sends signls by the brain to the target location

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3
Q

Nueron

A

composed of cell body, dendrites, and axon

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4
Q

Cell Body

A

contains the nucleus and organelles

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5
Q

Dendrite

A

SHORT branch-link extentions that generate eletrical impulse

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6
Q

Axon

A

LONG extention that trasnmits to other neurons

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7
Q

Myelin sheaths

A

covers the axon and helps increase speed of impulses

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8
Q

Synapses

A

Space between the terminal of the dendrite

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9
Q

Sensory Nueron

A

AFFERENT Nueron that sends a message to the central nervous system

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10
Q

Motor neuron

A

Efferent impulse to the muscle

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11
Q

Automatic Nervous System

A

INVOLUNTARY actions such as the heart rate, digestion, and respiration

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12
Q

Somatic Nervous System

A

VOLUNTARY action such as the movement of the limbs

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13
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14
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