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Biology Of The Mind > Organisation Of The Nervous System > Flashcards

Organisation Of The Nervous System Flashcards

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AP® Biology flashcards Biology 101 flashcards
0
Q

What are the nerves that go to the brain called?!

A

Afferents

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1
Q

What are the nerves that go from the brain called?!

A

Efferents

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2
Q

What are the two motor components of the PNS called?!

A

Autonomic and somatic

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3
Q

What are autonomic effectors?!

A

Smooth muscles
Cardiac muscles
Glands

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4
Q

What are the effectors of the somatic muscle called?!

A

Skeletal muscle

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5
Q

What are the two types of cell in the brain?!

A

Neurones and glia

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6
Q

What is an example of an excitatory neurotransmitter?!

A

Glutamate

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7
Q

What is an example of an inhibitory neurotransmitter?!

A

GABA

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8
Q

What is a nucleus?!

A

Collection of cell bodies in the CNS

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9
Q

What is a tract?!

A

Group of functionally related axons in the CNS

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10
Q

What is a nerve?!

A

Bundle of axons in the PNS

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11
Q

Are the afferents in the somatic nervous system myelinated or un myelinated?!

A

Either

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12
Q

Are the efferents in the somatic nervous system myelinated or unmyelinated?!

A

Heavily myelinated

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13
Q

What do the efferents in the somatic nervous system release?!

A

Acetylcholine

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14
Q

What do afferents in the somatic nervous system release?!

A

Glutamate

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15
Q

Where is the ganglia located in the sympathetic division?!

A

Close to the CNS

16
Q

Describe the preganglionic and postganglionic structures in the sympathetic division.

A

Pre: short and myelinated
Post: long and branched extensively

17
Q

Describe the preganglionic and postganglionic structures in the parasympathetic division.

A

Pre: long and myelinated
Post: short

18
Q

What neurotransmitter does the postganglionic sympathetic division release?!

A

NA

19
Q

What do oligodendrocytes do?!

A

Form the myelin sheath

20
Q

What do astrocytes do?!

A

Provide nutrients

21
Q

What do micro glia do?!

A

Clean up excess CNS debris

Biology Of The Mind (16 decks)

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