chapter 2 notes, thursday-25 Flashcards

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1
Q

command central

A

central nervous system CNS

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2
Q

the brain and spinal cord can be called the

A

communication superhighway

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3
Q

neural cable connecting brain to other systems

A

spinal cord

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4
Q

controls reflexive movements

A

spinal cord

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5
Q

if the spinal cord is severed, what happens

A

different parts of the body can be rendered useless

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6
Q

this is made up of soft, jelly like bundle of nerves that are wrapped in insulating myelin

A

spinal cord

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7
Q

connects the CNS to the rest of the body through sensory and motor neurons

A

peripheral nervous system

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8
Q

lobe that is in the back of the brain

A

occipital lobe

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9
Q

lobe that is in the front of the brain

A

frontal lobe

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10
Q

twisting and stretching of axons is a

A

concussion

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11
Q

concussions result in

A

swelling of brain tissue.

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12
Q

how many neurons are in the brain

A

approx. 100 billion

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13
Q

keeps neurons alive

A

soma

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14
Q

provides structural support, nourishment, and helps form the myelin sheath and removes waste

A

glial

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