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ALPHA > CBE Biology Study Unit 2 > Flashcards

CBE Biology Study Unit 2 Flashcards

1
Q

what is a nerve cell

A

neuron

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2
Q

what contains the nucleus and cell organelles

A

the cell body

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3
Q

what are large fibers that extend from the cell body

A

axons

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4
Q

what gather signals from other neurons and then convert them into electrical signals aka impulses

A

Dendrites

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5
Q

what is the bundle of nerve fibers enclosed by the vertebral column

A

spinal cord

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6
Q

what carries neurons impulses from the CNS to an effector organ

A

Motor neurons

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7
Q

what processes most signals in the body

A

brain

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8
Q

what is triggered by a nerve pathway called the reflex arc

A

reflexes

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9
Q

what does this mean brain stem responsible for vital functions

A

medulla oblongata

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10
Q

what reflex actions that center on or loop through the spinal cord

A

Spinal reflexes

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11
Q

what is the lining of the brain and spinal cord

A

meninges

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12
Q

what is the largest part of the brain

A

cerebrum

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13
Q

what is the brain stem that sends messages between the cerebellum and cerebrum

A

pons

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14
Q

what brain part is responsible for thirst, hunger, sleep, and other processes that maintain homeostasis

A

hypothalamus

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15
Q

what is the part of the brain that relays sensory information to the cerebrum

A

thalamus

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16
Q

where is the center of the cord consists of butterfly-shaped gray matter

A

Gray matter

17
Q

White matter that surrounds gray matter.

A

White matter

18
Q

what is located in the white matter

A

Dorsal column

19
Q

the part of the nervous system responsible for voluntary skeletal movement and reflex arcs

A

somatic nervous system

20
Q

the part of the nervous system responsible for involuntary functions

A

autonomic nervous system

21
Q

Light is a form of electromagnetic radiation

A

Color Vision

22
Q

firm and flexible connective tissue that provides cushioning and support for body structures

A

cartilage

23
Q

the part of the skeleton that consists of the skull, vertebrae, and ribs

A

axial skeleton

24
Q

the part of the skeleton that consists of shoulders, arms, hips, and legs

A

appendicular skeleton

25
Q

how many bones in arms and legs

A

126

26
Q

inner-bone tissue that has many cavities

A

spongy bone

27
Q

a type of bone tissue that is hard and rigid

A

compact bone

28
Q

tissue that attaches bone to bone

A

ligament

29
Q

tissue that connects muscle to bone

A

tendon

30
Q

the formation of bone

A

ossification

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