Study Guide: Nervous System
1)	What are the basic types of tissue in the human body?
2)	What do you call when body systems work together to maintain relatively constant internal conditions?
3)	Give an example of a Negative Feedback loop.
4)	Give an example of a Positive Feedback loop.
5)	What are the 2 major components of the Central Nervous System, and what does each of these do?
6)	What are the 3 major regions of the brain and what does each one control?
7)	What is so important about the Hypothalmus, and what are some of the things it recognizes?
8)	What are the 2 main divisions of the Peripheral Nervous System?
9)	What is a neuron and how does it help transmit electrochemical impulses throughout the body?
10)	Which neurons take impulses to the CNS, which away, and which ones connect the other 2?
11)	Draw a neuron (nerve cell) and label a) the soma (cell body), b) the dendrites, c) the axon, and d) the myelin sheath.
12)	During resting potential what is the charge inside of the cell?
13)	During resting potential what is that charge outside the cell?
14)	What does sodium (Na+) do to cause a nerve impulse (action potential)?
15)	What is a neuron’s threshold?
16)	What is the smallest structural and functional unit of the nervous system?
17)	What is the 5 step reflex arc?