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SCIENCE Flashcards

1
Q

A type of neuron that is also called connector or association; acts as a bridge between sensory neurons

A

Interneurons

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2
Q

A subdivision of the PNS that is responsible for the voluntary movements of the body

A

Somatic Nervous System

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3
Q

A type of neuron that is responsible for transmitting signals from the brain and spinal cord; Efferent Neurons.

A

Motor Neurons

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4
Q

main part of a neuron; contains the nucleus, various organelles that are necessary for neuron to carry out its function.

A

Cell Body or Soma

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5
Q

a long, thin, tubular bundle of nerves that runs from the brain stem to the lower back

A

Spinal Cord

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6
Q

long, slender projection that extends from the soma and transmits signals away from the neuron.

A

Axon

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7
Q

branched extensions from the cell body; receives signal from other neurons.

A

Dendrites

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8
Q

main part of a neuron; contains the nucleus, various organelles that are necessary for neuron to carry out its function.

A

Soma

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9
Q

A type of neuron that transmits information to the brain and spinal cord (Nervous System); Afferent Neurons

A

Sensory Neurons

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10
Q

responsible for involuntary actions

A

Medulla Oblongata

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11
Q

monitors internal conditions

A

Hypothalamus

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12
Q

Two subdivisions of PNS

A

Somatic Nervous System
and Autonomic Nervous System

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13
Q

responsible for visual and auditory reflexes

A

Midbrain

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14
Q

Three types of Neurons

A
  • Sensory Neurons
  • Interneurons
  • Motor Neurons
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15
Q

doesn’t involve the brain

A

Spinal Reflex

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16
Q

link between the CNS to the rest of the body

A

Peripheral Nervous System

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17
Q

the PNS is made up of a network of bundled rope-like structure called _____

A

nerves

18
Q

A part of the brain that is responsible for coordinating movement and balance; beneath the cerebrum.

A

Cerebellum

19
Q

Divisions of Autonomic Nervous System

A
  • Parasympathetic
  • Sympathetic
20
Q

a division of the ANS that is responsible fot the “rest and digest” response which promotes relaxation and healing through slowing bodily functions.

A

Parasympathetic

21
Q

surface of the cerebrum

A

Cerebral Cortex

22
Q

A subdivision of the PNS that is responsible for the involuntary movements of the body

A

Autonomic Nervous System

23
Q

controls respiratory functions

A

Pons

24
Q

pathway control reflexes

A

Reflex Arch

25
Q

process of receiving info through our five senses; perceive external and internal stimuli

A

Sensation

26
Q

process of analyzing and interpreting sensory info in the brain and spinal cord

A

Integration

27
Q

basic unit of structure and function of the Nervous System; carries info through the NS in the form of nerve impulse.

A

Neurons

28
Q

used to transmit information from one neuron to another

A

neurotransmitter

29
Q

An important and delicate organ; enclosed in a bone called skull.

A

Brain

30
Q

Major control system of homeostasis; monitoring response and regulation of all systems in the human body.

A

Nervous System

31
Q

process of producing a motor output in response to sensory input

A

Response

32
Q

Three major parts of the brain

A
  • Cerebrum
  • Cerebellum
  • Brain Stem
33
Q

A part of the brain that connects the brain and spinal cord; is responsible for regulating functions such as breathing, heart rate, and blood pressure.

A

Brain Stem

34
Q

A part of the brain that is responsible for thoughts, perception, voluntary movement, attitude, behavior, and etc.

A

Cerebrum

35
Q

directing incoming messages from the spinal cord to the brain

A

Thalamus

36
Q

Three major functions of the Nervous System

A
  • Sensation
  • Integration
  • Response
37
Q

the PNS consists of how many pairs of nerves?

A

12 cranial nerves
31 spinal nerves

38
Q

a division of ANS that is responsible for the “fight or flight” response of the body; activated in response to danger or stress; prepares body for action; increases heart rate, respiration, and blood pressure

A

Sympathetic

39
Q

tiny gaps that link neurons

A

Synapse

40
Q

Divisions of the Nervous System

A

Brain and Spinal Cord

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