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Test your understanding of the nervous system by matching the following labels with their corresponding letters: CNS, effector cells, interneuron, motor neuron, PNS, sensory neuron, sensory receptor, spinal cord, synapse.
45. Nervous System
Neurons and Action Potentials
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Which of these statements about myelination in neurons is/are correct? Select True or False for each statement.T/FIt speeds propagation by increasing the density of voltage-gated channels all along the axon.T/FMultiple sclerosis is characterized by disrupted myelination of certain neurons in the central nervous system.T/FIt speeds propagation by preventing cations from leaking out across the membrane as they spread down the axon.T/FIt is more commonly observed in vertebrates than in invertebrates.
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