Download Nervous System - Effingham County Schools

Nervous System
The Nervous System
Major Function: To ____________ all activities of the body
Basic Tasks:
1. ________________ Input: Monitor both external and internal environments.
2. _________________: Process the information and often integrate it with
___________ information.
3. ___________ ____________: If necessary, signal effecter organs to make an
appropriate response.
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Two parts of the
Nervous System
1. The ______________ _____________ System (CNS) consists of the
brain and spinal cord.
 _________________- coordinates all body functions.
 _________________- transmilts messages from the brain to the rest of
the body.
2. The _________________ ________________ System- Consists of nerves
that relay messages between the CNS and the rest of your body.
Nerves
______________- nerve cells that transmit messages.
 _____________: functional portion
 _____________: short extensions that receive signals
 _____________: long extension that transmits impulses away
The Brain
The ____________ is the control center of the nervous system.
Three major parts of the brain:
1. ____________- largest part of the brain.
Controls your ______________, _____________, ______________, and
controls your ____________ and ____________ the information gathered by
your sense organs.
 _______________ -regulates the temperature of blood, appetite, and
emotions.
 ________________-Interprets signals from the eyes, ears, hands, and
nose; controls muscle movement, and is responsible for intelligence.
Three Major Parts
2.________________- below and to the back of cerebrum.
Controls _______________ and _____________.
Nervous System
Disorders
3. __________________- Connects the brain to the spinal cord.
Controls ____________, _____________, and ___________ ___________.
__________________-Disorder in which the myelin surrounding neurons
deteriorate making it hard for signals to travel from one neuron to the next.
__________________-Degeneration of nervous tissue that can cause memory
loss, loss of verbal communication, and motor skills
__________________-genetic disorder that affects muscle coordination and
causes involuntary twitching.
__________________-irregular movements of the head, neck, or shoulders.
They also may be more complex motor behaviors such as snorting, sniffing, and
involuntary vocalization.
Pushing the Limits: Sensation
The Nervous System
works with the
________ System
Major Organs
Example
Function of the
Nervous System
Defend the statement:
The Nervous system is
the most important
system because…
The Nervous System
works with the
________ System
Example
The Nervous System works
with the ________ System
Example
Example