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1. What is the primary function of the nervous system?” The primary function is to receive information and generate a response from a stimulus ”2. Why does the cerebral cortex contain so many folds? ” it adds the surface area ”3. What is a nerve impulse? ” It's the signal transmitted along a nerve fiber that consists of a wave of electrical depolarization in response to the stimulus ”4. What are Schwann cells and what do they form? ” It is a cells that make peripheral nerve fibers alive. Glial cells are cells that support neurons by keeping them insulated. These cells form the myelin shealth. ”5. What is an all-or-none response? ” It means that an action potential either occurs completely or it does not occur at all. The muscles either fires( if enough axons discharge) or not, but there is no halfway response. ”6. What two effects might neurotransmitters have? ” The two effects of neurotransmitters are either excite or inhibit nerve cells. Experiment 1: Microscopic Anatomy of the Nervous System Post-Lab Questions ”1. Label the arrows in the slide images below based on your observations from the experiment. ”
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