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The top documents tagged [stimulation of heart]
Education
Nervous system
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Neurotransmitters. A chemical released by one neuron that affects another neuron or an effector organ (e.g., muscle, gland, blood vessel) Excitatory neurotransmitters
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Cardiac Pacemakers © D. J. McMahon 2012 rev 121010
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Neurotransmitters
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