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Transcript
Nervous System
What does the
nervous system do?
The nervous system picks up messages
from
in and out of the body and turns them
into
signals that coordinate the body’s
thoughts, senses, movements, balance
and automatic responses.
What other body system
does the nervous system
work with?
Endocrine System
What type of cells receive
and send signals throughout your
body?
Neurons
What are the 3 main
parts of the
nervous system?
Brain
Spinal Cord
Nerves
Our nervous system is
divided into 2 parts,
what are these parts?
Central Nervous System
Peripheral Nervous System
How do the 2 parts
of the nervous system
work together?
The PNS gathers signals and
sends them to the CNS where
it determines what
needs to be done.
The CNS then sends signals
to the muscle and other organs.
What is the point between
a neuron that is sending
a signal and a
neuron that is receiving a
signal called?
What detects messages for the
nervous system and
creates the signals?
What is the difference between
sensory nerves
and
motor nerves?
Sensory nerves carry signals
from the sense organs to the CNS
Motor nerves carry signals
from brain or spinal cord
to the muscles and glands
Why are spinal injuries
that result in
paralysis often permanent?
Sensory and motor nerves can heal
completely but it is slow.
The spinal nerves can also grow
but not well enough to repair
significant damage.
What do the following
parts of the brain do?
control center for the body
largest part of the brain,
center for thought,
imagination and emotions.
controls balance and
posture
guides signals coming from
the spinal cord and other
parts of the brain
that branch from spinal cord
to the brain and tissues