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notes 3.30 - Nervous System movement and the immune system...

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3/30/2009 Nervous System, movement, and the immune system Neurons: specialized for transmitting signals. -sodium potassium pump; other cells do not have them At the end of the neuron, neurotransmitters are released signaling the next neuron to depolarize -sends signals through the gap to the next neuron. -calcium channel sensitive to depolarization channel -synapse -sodium comes in Neurotransmitters can be excitatory or inhibitory. -release causes the sodium on the next channel open. -other transmittiers, inhibit sodium channel to the dendrite and other. At the synapse the electrical signal is converted to a chemical signal. Dendrite eletrical at synapse chemical electrical. Neurons are commonly connected to many other neurons and effect of the different incoming signals determines what the neuron will do. -interconnectedness to the neurons to each other. -release only one type of neurotransmitter. -neuron. –releases inhibitory/ excitatory,
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