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question 19

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Definitions:

Nerve Cells

Specialized cells that transmit electrical signals throughout the nervous system, also known as neurons.

Neurons

Specialized neurons in the nervous system responsible for conveying information to other neurons, muscle cells, or glands.

Radioimmunoassay

A sensitive laboratory technique used to measure concentrations of substances, such as hormones, in a sample, using antibodies and radioactively labeled substances.