exploring the body system by system

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EXPLORING THE BODY SYSTEM BY SYSTEM:
NERVOUS SYSTEM: (page 146-151, 94)
FUNCTION: -_________________ and ___________________ the actions of all organs and
organ systems. To _________, ____________ and ________________ to changes in
external and internal environments. In short: Monitors and responds to stimuli in
the environment.
1. The nervous system is mainly made up of _________________ tissue. These
specialized cells are called __________________________. It’s job is to ___________
and _____________________ messages.
2. The part of the neuron that receives impulses is called the _________________.
The impulse or message is passed to the neighboring dendrite by the __________.
The gap between the dendrites of one neuron and the axon endings of another
neuron is called a synapse.
3. Label the following neuron.
4. The nervous system consists of two parts.
a. The central nervous system made up of the _____________________ and
__________________ ____________________.
b. The peripheral nervous system made up of the ___________________ and
__________________ nerves.
5. Label the diagram using red for the central system and blue for the peripheral
system.
THE CENTRAL NERVOUS
SYSTEM:
Parts of the brain
-The largest part of the brain is the
___________________ and it controls
_____________________, _____________________
or _________________________________
-the _________________________ part controls
balance, posture and coordination.
-the __________________________ or brain stem
controls digestion, heartbeat and
___________________________________.
6. THE PERIPHERAL NERVOUS SYSTEM: The peripheral nervous system is
divided into two types of neurons.
a. The ____________________ neurons carry information from body to the central
nervous system.
b. The __________________ carry information the central nervous system to the
muscles or organs.
7. The peripheral nervous system can be either
a.
___________________nervous system: where you have conscious control over
your responses to stimuli, like _______________________________________________.
b. ____________________nervous system: an unconscious response to stimuli.
Known as an automatic response (you do not think about it) is controlled by
the __________________ nervous system like __________________________________.
8. Explain the reflex response. Why is it important to have?
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