read the following articles and answer questions on the worksheet.

• How Do Nerve Cells Communicate? (Society for Neuroscience)
• About MS (National Multiple Sclerosis Society) - follow the sequence: "What is MS", "What causes MS"...through "Diagnosis"
• Multiple Sclerosis Foundation
  go to each of the sections under MS Information.
• Normal Regulation of Blood Glucose
• What is Insulin?
• Introduction to Diabetes