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Bio 1100 Nervous System Study Guide

1. What is the basic functional unit of the nervous system? _____________________.

2. The nervous system ________________ and __________________ all essential functions of the human body.

3. The nervous system ____________________ and ________________ information about activities within the body and monitors and responds to _________________ and _____________________ changes.

4. What are the Four Functions of the nervous system?

    A._________________________________________________________________

    __________________________________________________________________

    B. __________________________________________________________________

    _____________________________________________________________________

    C. __________________________________________________________________

    _____________________________________________________________________

    D. __________________________________________________________________

    _____________________________________________________________________

5. The cells that carry messages throughout the nervous system are called ____________________________.

6. Messages take the form of electrical signals, and are known as __________________.

7. Neurons can be classified into THREE Types and Describe each type.

    A.

B.

C.

8. What are the THREE main parts of a Neuron and their function?

   A.

B.

C.

9. The difference in charge across a nerve cells membrane resulting from the negative charge on the inside and the positive charge on the outside is known as ____________________  _______________________.

10. As a result of resting potential, the neuron is said to be _______________________.

11. A _____________________ is a change in the environment that may be of sufficient strength to initiate an impulse.

12. The ability of a neuron to respond to a stimulus and convert it into a nerve impulse is known as _________________________________.

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