NERVOUS SYSTEM

The Hunt to Get On Your Nerves

These nervous system questions are to be answered from the website designed by Dr. Chudler. He has developed a GREAT website. If you have time, explore more than the questions that you are assigned. YOU'LL LOVE IT!

Write the question and then your answer in your own words.

WEBSITES

Your map to learning about the nervous system:

1. Make a list of neuron characteristics.
2.Draw and label a picture of a neuron
3. How are dendrites and axons different?

 Millions and Billions of Cells

4. What is a synapse?
5. What is a neurotransmitter?
6. Why are each important?

 Making Connections: The Synapse
7. State some of the importances of glia cells.
8. How are glia cells different from neurons?
 Glia: The Forgotten Brain Cell

9. Name the 4 important chemicals necessary for an electrical impulse and give the charge for each.
10. Explain the terms:

  1. resting potential
  2. action potential
  3. threshold
  4. depolarization

11. Explain the change of ions across a neuron membrane.

 Lights, Camera, Action Potential

12. Give characteristics of the spinal cord.
13. Describe the composition of the spinal cord and what is found in each.

 Our Divided Spinal Cord

14. Give the steps in a knee jerk reflex (you may need to use your class notes). Use the terms sensory neuron, motor neuron, synapse, effector receptor in your description.

15. Go to the bottom of this page and do experiment 1 and 2. Record your results for the answer to #15.

 The Knee Jerk Reflex

16. What is the ANS?
17. what are the 3 branches of the ANS? Give characteristics of each.
18. Choose 3 organs and describe the different sympathetic and parasympathetic functions.

 Autonomic Nervous System
19. Go to the bottom of the web site listed to the right. A series of disorders are given. You will be assigned ONE of them. Write a summary of that disorder to be presented to the rest of the class. Neurological & Mental Disorders
Bonus: Read the web pages from the topics to the right. You may do one or as many as you wish. Write a synopsis (summary) of the major points of each. Be sure to include a title, and write in full sentences. Write more than the bulleted items so we know you actually read the pages.