Members___________________ ___________________ ___________________ PSYC 1001 Group Activity #1 Parts of the Nervous System and Reflexes! Part 1: Based on the pictures below, list the parts of a neuron in order AND the function of each part.!(i.e. write the picture #s in order AND the function of each): 1. 2. 3. 4. Order: ____________________________________________________________________ Function: __________________________________________________________________ Part 2: Using the information projected on the screen, please answer the following questions: Imagine you have just stepped on a nail (ouch!). 2. In order, write the picture #s shown on the screen to trace the route the neural impulse will take to and from the spinal cord. ! 13. What are the three types of neurons involved in the response to stepping on a nail? Which part of the spinal cord is each neuron found? 4. Using the following terms, describe how the ‘ouch’ electrical message is generated and carried from the dendrite to axon: Threshold of Excitation, Action Potential, Refractory period. 5. How does the ‘ouch’ signal get transmitted from one neuron to another?
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