SCIENCE 101 3.1.5 Explore: Nerve Impulse Transmission Exploration Physics Sem 2

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Coronado High School, Henderson SCIENCE 101 3.1.5 Explore: Nerve Impulse Transmission Exploration Physics Sem 2 In this activity, you will apply what you have learned in the lesson. Answer ... the questions below. Submit this to your teacher when you are done. 1. Use this article to answer questions about how nerves work. (10 points) How Nerves Work a. According to the introduction of the article, how is the nervous system like a computer? (2 points) b. Click the link to go to page 2, “The Spinal Cord and Neurons.” What do neurons do, and how do they differ from other cells? (3 points) c. Name the three parts of a neuron. Which part carries electrochemical messages, and which part makes connections to other cells? (3 points) d. Click the link to go to page 4, “Ion Channels.” Read the last bullet point. In your own words, describe how electrical currents are created across the cell membranes in nerves. (2 points) 2. Use this article to answer questions about multiple sclerosis. (9 points) Multiple Sclerosis: Hope Through Research a. Read the paragraph, “What is Multiple Sclerosis?” Define myelin, and describe what it does. What happens to myelin in patients who have multiple sclerosis (MS)? (3 points) b. Scientists believe MS to be what type of disease? What two “triggers” might cause an assault? (3 points) c. Read the section, “What is the Course of MS?” Describe RR and PP types of MS. (3 points) 3. Use this article to answer questions about repairing nerve damage from MS. (6 points) MS nerve damage repaired in lab a. How were scientists able to repair myelin in mice? (3 points) b. What did Helen Yates say was the emphasis on MS research before this point? How can this myelin repair help people who already have MS? (3 points) [Show More]

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