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BIO172E > Nervous system (2) > Flashcards

Nervous system (2) Flashcards

1
Q

Nerve cell; transmits information throughout the body

A

Neuron

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2
Q

Part of a neuron that receives information from other neurons

A

Dendrite

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3
Q

Supports and Protects

A

Neuroglia

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4
Q

White taffy substance covering the axon

A

Myelin

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5
Q

The difference in electrical charge across a cell membrane

A

Membrane Potential

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6
Q

The membrane potential of a neuron at rest

A

Resting Potential

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7
Q

Nerve impulse

A

Action Potential

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8
Q

A junction at which a neuron meets another cell

A

Synapse

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9
Q

A signal molecule that transmits nerve impulses across synapses

A

Neurotransmitter

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10
Q

Part of a neuron that conducts nerve impulses

A

Axon

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11
Q

Bundle of nerves

A

Nerve

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12
Q

Conducts impulse towards the CNS

A

Afferent nerve fiber

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13
Q

carries motor responses from the central nervous system to muscles, glands and other organs

A

Motor Neuron

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14
Q

site of capacity for learning, memory, perception and intellectual function

A

Cerebrum

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15
Q

Consists of the brain and spinal cord

A

Central nervous system

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16
Q

Relays sensory information

A

Thalamus

17
Q

dense cable of nervous tissue that runs through the vertebral column

A

Spinal cord

18
Q

contains neurons that branch throughout the body

A

Peripheral nervous system

19
Q

carries information from sense organs to the central nervous system

A

Sensory neuron

20
Q

The body’s main processing center

A

Brain

21
Q

regulates breathing, heart rate and endocrine functions

A

Brainstem

22
Q

Link neurons to each other

A

Interneurons

23
Q

collection of structures leading down to the spinal cord

A

Hypothalamus

24
Q

regulates balance, posture and movement

A

Cerebellum

25
Q

a sudden, rapid and involuntary self-protective motor response

A

Reflex

BIO172E (17 decks)

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