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Nick and Jessica are married and have decided not to have any children. How will they most likely differ from couples with children?
Myelin
A fatty substance that encases and insulates nerve fibers, speeding up electrical communication between neurons.
Neural Impulse
An electrical signal that transmits information along a neuron, enabling communication within the nervous system.
Neurotransmitters
Chemical substances in the body that transmit nerve impulses across a synapse from one nerve cell to another.
Fatty Substance
Materials composed of lipids, which can be found in various forms throughout the body, playing critical roles in energy storage, insulation, and cell structure.
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