Download The Nervous System Student Notes Nervous System: The nervous

The Nervous System
Student Notes
Nervous System:
A. The nervous system _________________ all of the activities of the body.
B. The nervous system is made of:
1. ________________________
2. ________________________
3. ________________________
4. ________________________
C. The nervous system also allows you to react to a _________________.
1. A stimulus - ________________________________________________________________
2. Example: _________________________________________________________________
D. Your reactions are _____________________
1. Automatic means that you do _____ have to __________ about your reactions.
2. Example: If a bug flies by your eye, you will _____________
Central Nervous System:
A. The Central Nervous System is made of the ________________________________
B. The Central Nervous System controls _________________ in the body.
C. ____________ - An organ that controls your emotions, your thoughts, and every movement you
make.
D. ______________________ - The spinal cord sends messages to the brain
 The spinal cord is the part of the nervous system that connects the _________ to the rest of
the nervous system.
E. The___________________ - are the many _________ protect the nerves in the spinal cord.
Outer Nervous System:
A. The Outer Nervous System is made of the ________________ (NEURONS) and the
____________organs.
Anatomy of a Neuron:
A. ________________________ : functional portion
B. ____________________: short extensions that receive signals
C. ___________________ : long extension that transmits impulses away
Sense Organs:
A.
B.
C.
D.
Sense organs carry _________________ about the environment to the central nervous system.
5 sense organs: _________________________________________________________________
The environment is everything _____________________ the body.
The sense organs gather information from outside the body, then send the messages to the
_________________.
Vision:
A. Vision is _____________________________________________________________
B. Vision involves the _________ and the brain.
Hearing:
A. When a ________________ is made, the air around the sound ______________________.
B. Hearing starts when some of the sound ___________ go into the _________.
Touch:
A. The sense of touch is located in the ________________.
B. The nerves in the skin allow us to feel ______________________________________________.
C. ________________ is how something feels.
Smell:
A. The ________________ controls your sense of ___________________.
B. The nose is able to smell ________ different kinds of smells.
Taste:
A. Your sense of taste comes from the taste ______ in the ___________________.
B. Taste buds are the parts on the tongue that allow us to _______________.
C. The four kinds of taste buds are
_______________________________________________________________________.