Name ______Date ______
Mrs. Geithner-Marron (Bio 300) Period _____
Unit 17 Nervous Control Review--Topics to Know/Questions You Should be Able to Answer
Nervous System (general)
1. What is the nervous system?
2. Which characteristic of life is the nervous system related to?
Nervous System in Organisms Other Than Humans
3. Describe the nervous system in each of the following
a. Euglena
b. Paramecium
c. Hydra
d. Planaria
e. Earthworm
f. Grasshopper
g. Fish
Nervous System in Humans
4. What are the two main parts of the human nervous system?
a. Which parts of the body do they include?
5. What are the 3 major parts of the brain?
a. What does each control?
b. Be able to label each on a diagram.
6. What is a nerve?
a. What can it be compared to?
7. What is a neuron?
a. What can it be compared to?
b. What are the 3 different types of neurons involved in the pathway of impulses?
i. What does each do?
c. What do each of the following parts of the neuron do:
i. Dendrites
ii. Cell body (soma)
iii. Axon (including the terminal buttons/end branch)
iv. Myelin sheath
v. Schwann cell
vi. Node of Ranvier
d. Be able to label each part of the neuron on a diagram.
e. How do messages move along a neuron (& what are the two pathways)?
f. Do neurons touch each other?
i. What are they separated by?
g. How do messages get from one neuron to the next?
h. What is a neurotransmitter?
8. How do the PNS (peripheral nervous system) & CNS (central nervous system) work together in nervous response? (HINT: 5 steps)
9. What are senses?
a. What are the 5 major senses?
10. What is a reflex?
a. Do reflexes require conscious control? Why or why not?
b. What is the “reflex arc”?
i. What are the 5 steps of the “reflex arc”?
ii. Does the “reflex arc” involve the brain?
c. What is a secondary response?/How does your brain become aware after the “reflex arc” response?
i. How does the speed of the secondary response compare to that of the “reflex arc” response?