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Science (3rd Quarter) > Nervous System > Flashcards

Nervous System Flashcards

1
Q

It is involved in receiving information about the environment around us and generating responses to that information and coordinating the system

A

Nervous System

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2
Q

The main processing center for the entire nervous system. It consists two main components, the brain and spinal cord

A

Central Nervous System (CNS)

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3
Q

An organ that located within the skull that function as organizer and distributor of information for the body

A

Brain

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4
Q

Serves as a channel for signals between the brain and the rest of the body, and controls simple muscolosketal reflexes without input to from the brain

A

Spinal Cord

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5
Q

It connects the central nervous system to the organs and limbs and it has two main division, the spinal nerves and cranial nerves

A

Peripheral Nervous System (PNS)

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6
Q

The nerves that carry motor and sensory signals between the spinal cord and the body

A

Spinal Nerve

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7
Q

The nerve fibers that carry information into and out of the brain stem

A

Cranial Nerve

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8
Q

Is is activated when the body is in a dynamic role or stress

A

Sympathetic

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9
Q

Maintains body functions and restores the body to normal or relaxed mode

A

Parasympathetic

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10
Q

Major functions of the Nervous System

A

Sensation, Integration, and Response

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11
Q

Refers to receiving information (stimuli/stimulus) about the environment, either what is happening outside or inside the body

A

Sensation

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12
Q

Refers to anything that causes a response

A

Stimuli

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13
Q

Received by sensory structures are communicated to the nervous system where that information is processed

A

Integration

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14
Q

The nervous system produces a response in effector organs (such as muscles or glands) due the sensory stimuli

A

Response

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15
Q

It is the major part of the brain that ontrols the activities, thoughts, and five senses

A

Cerebrum

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16
Q

Responsible for cognitive functions and movements

A

Frontal Lobe

17
Q

Responsible for processing touch, pain, temperature and movement

A

Parietal Lobe

18
Q

Responsible for vision

A

Occipital Lobe

19
Q

Responsible for speech, hearing and memory

A

Temporal Lobe

20
Q

It controls posture, balance and the fine muscle movements

A

Cerebellum

21
Q

It controls bodily functions like breathing, circulation and sleep, it is located in the bottom part of the brain and connects the cerebrum to the spinal cord

A

Brain Stem

22
Q

Specialized cells that transmit messages to and from the brain and spinal cord thought-out the body

A

Nerve Cell

23
Q

Receives the signals from other neurons or from the body and pass those messages along the cell body

A

Dendrites

24
Q

Maintains structure of the neuron and provides energy or electrical signals

A

Cell body

25
Q

Specialized organelles, synthesize proteins in a neuron

A

Nucleus

26
Q

Where electrical impulses from the neuron travel away to be received by other neurons

A

Axon

27
Q

They are typically the sites where synapse with other neurons are found

A

Axon terminal

28
Q

Point of contact between neurons where the information or message is passed

A

Synapses

29
Q

Protective layer around some axons and helps to speed up the signal messages

A

Myelin Sheath

30
Q

Contains Na+ and K+ channels, allowing action potential to travel quickly down the axon by jumping one node to next

A

Nodes of Ranvier

31
Q

Its role is for the development, supplying nutrients and regeneration of peripheral nerves

A

Schwann Cell

32
Q

The system associated with the voluntary control of body movements

A

Somatic Nervous System

33
Q

The system associated with the involuntary control of body movements

A

Autonomic Nervous System

34
Q

An involuntary muscle response to stimulus without input from the brain

A

Reflexes

35
Q

Property of a human biological systems where the self-regulating process tends to maintain the balance for the survival

A

Homeostasis

36
Q

System that respond to changes, occur in the body

A

Feedback Mechanism

37
Q

When a response to a stimulus is decreased or reduced

A

Negative Feedback

38
Q

When a response to a stimulus is increased

A

Positive Feedback

Science (3rd Quarter) (9 decks)

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