Peripheral Nervous System Flashcards

1
Q

nervous system outside the
brain and spinal cord

A

Peripheral Nervous System

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2
Q

primary role of the PNS

A

is to
connect the CNS to the organs,
limbs, and skin

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3
Q

The nerves in the PNS
extend from the

A

central nervous
system to the outermost areas of
the body

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4
Q

The _____________ is
the part of your nervous system
that works “automatically,”
without conscious thought

A

autonomic nervous system

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5
Q

The somatic nervous system
derives its name from the Greek
word soma, which means

A

Body

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6
Q

is the part of
the peripheral nervous system
responsible for carrying sensory
and motor information to and
from the central nervous system

A

Somatic Nervous System

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7
Q

AU T O N O M I C
N E R VO U S S Y S T E M consist of:

A

Sympathetic and Parasympathetic Nervous system

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8
Q

plays
a vital role in maintaining
cardiovascular health because of its
key effects on both short- and long term regulation of blood pressure and
blood flow to organs.

A

Sympathetic NS

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9
Q

This system activates body processes
that help you in times of need,
especially times of stress or danger.
This system is responsible for your
body’s

A

fight-or-flight response

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10
Q

•is responsible for calming you
down
•is a network of nerves
that relaxes your body after periods
of stress or danger

A

Parasympathetic NS

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11
Q

Parasympathetic NS also helps run life-sustaining
processes, like ________, during
times when you feel safe and
relaxed

A

digestion

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12
Q

Sympathetic vs Parasympathetic NS

A

Sympathetic: fight or flight response
Parasympathetic: rest and digest respons

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13
Q

form the central
nervous system, or CNS

A

Brain and spinal cord

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14
Q

acts as the control
center of the body by
providing its processing,
memory, and regulation
systems

A

Central Nervous System

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15
Q

is an extension of the brain

A

Spinal Cord

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16
Q

carries
messages to and from the brain via the network of
peripheral nerves connected to it

A

Spinal Cord

17
Q

Nerves also connect the spinal cord to a part of the brain
called the

A

Brainstem

18
Q

a soft, wrinkled organ that weighs about 3 pounds, is located
inside the cranial cavity, where the bones of the skull surround and
protect it

A

The Brain

19
Q

The brain is responsible for integrating most _______________ both consciously and unconsciously.

A

sensory information and
coordinating body function

20
Q

Complex functions such as __________ as well as regulation of
_________ are attributable to different parts of the brain.

A

thinking and feeling, homeostasis