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Suppose a doctor can earn an additional $25,000 in revenue per year by keeping her office open on Sundays. At what additional cost would keeping the office open on Sundays not be considered economically rational?
Dendrites
Branch-like extensions of neurons that receive signals from other neurons.
Axon
A long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body.
Epithelial Cell
Cells covering the outside of the body and lining organs and cavities within the body, serving as a barrier and interface for substance exchange.
Muscle Cell
A cell that makes up the muscle tissue, characterized by its ability to contract, thus producing movement.
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