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-(1) rate of spontaneous generation of action potentials by the SA node;
(2) rate of spontaneous generation of action potentials by the AV node
A
Myelin Sheath
A protective covering made of fatty substances and proteins that surrounds the axons of many neurons, enhancing the speed of nerve impulse transmission.
Neuron Structure
Describes the anatomy of a neuron, including parts such as the cell body, dendrites, axon, and synaptic terminals, which facilitate nerve impulse transmission.
Electrical Cord
A flexible cable comprised of one or more electrical conductors, typically encased in insulation, used to transmit power.
Nodes of Ranvier
Nodes of Ranvier are gaps in the myelin sheath of nerve fibers where axonal membranes are exposed, enabling rapid transmission of nerve impulses.
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