1. Name:_____________________ Date:________
Living Environment Rabbi Goldberg
The Nervous System
I. Human Regulation
a. In humans and animals regulation _______________________
_____________________________________________________
b. There are some differences and some similarities between the
two systems
c. Similarities between the Endocrine and Nervous system
i. __________________________________________
1. Nervous system secretes – ___________________
Endocrine – __________________________
ii. BOTH PLAY A MAJOR ROLE IN HOMEOSTASIS
d. Differences between the Endocrine and Nervous system
i. Nervous system _______________________________
ii. Nerve response is _______________________________
II. Human Nervous system
a. What is a neuron?
i. ________________________________________________
_______________________________________________
ii. There are three types of neurons.
1. Sensory Neurons
a. _____________________________________
____________________________________
b. They are located near the sensory organs
such as
i. ________________________________

2. ii. ________________________________
iii. ________________________________
iv. ________________________
________
2. Interneuron
a. Another type of neurons
b. _____________________________________
_____________________________________
c. _____________________________________
_____________________________________
____________________________________
3. Motor Neurons
a. Transmit impulses
_____________________________________
____________________________________
i. Effectors
__________________________
b. These messages __________________
_________________________________( fire
is hot pull hand back)
b. So what are nerves?
i. Nerves are groups
________________________________________________
________________________________________________
_______________________________________________
1. They can be
a. motor neurons
b. Sensory neurons
c. Or mixed

3. ii. Nerves
1. Most nerves ___________________________
2. This is for
a. _________________________________
b. Make sure ________________________
_____________________________________
____________________________________
3. A neuron
___________________________________________
___________________________________________
_________________________________________
a. Dendrites- ___________________________
_____________________________________
____________________________________
b. Axon-
_____________________________________
_____________________________________
____________________________________
c. Cell body- ___________________________
iii. How does it work
1. Resting - no impulse, cell is polarized ( + on
outside & - on inside)
a. Sodium/Potassium pump in axon using ATP
maintains this polarity
b. impulses Stimulus excites Neurons
c. Depolarization occurs ~ a nerve impulse
d. Impulse moves in one direction
c. Connection between Neurons
i. Synapse: ____________________________________
_____________________________________________

4. ii. Neurotransmitter: ______________, such as
acetylcholine, which,
________________________________________________
_______________________________________________
III. There are two parts to the Nervous System
a. __________________________________
b. _____________________________________________
IV. Central Nervous System (CNS)
a. There are two main parts to the CNS
i. ________________________________
ii. _________________________________
b. Brain
i. ________________________________________________
________________________________________________
_______________________________________________
1. Conscious activities
2. Intelligence
3. _________________________
4. Language
5. Voluntary activity
ii. Cerebellum:
1. __________________________________________
2. ______________________________________
iii. Medulla Oblongata:
1. ___________________________________________
___________________________________________
_________________________________________

5. c. Spinal Cord
i. __________________________________
1. Bones of the spinal column
ii. Spinal cord
________________________________________________
________________________________________________
iii. It is the center for ________________________________
iv. Does not require activity from the brain to give off a
response
1. Reflex actions – ________________________
a. Ex blinking
d. Peripheral Nervous system
i. Is located ___________________________________
ii. It contains nerves that extend throughout the body
1. There are two parts to the PNS
a. ________________ nervous system
b. ________________ nervous system
2. Somatic Nervous system
a. _____________________________________
____________________________________
b. Examples
i. run
ii. Play
3. Autonomic nervous system

6. 4. Generally
________________________________
________________________________
______________________
V. Malfunctions of the nervous system
a. Listed are some of the malfunctions of the nervous system
i. __________________________________________
ii. Meningitis
iii. _________________________________________
iv. Polio
b. Cerebral Palsy (CP)
i. A group of
________________________________________________
________________________________________________
_______________________________________________
ii. Person still has
________________________________________________
________________________________________________
________________________________
c. Meningitis
i. ________________________________________________
________________________________________________
________________________________________________
______________
d. Stroke
i. ________________________________________________
________________________________________________
________________________________________________
ii. May cause brain damage or death
e. Polio

7. i. ______________________________________________
ii. Can be prevented through immunization Shots