Examlex
Minerals are always chemical elements,not compounds.
Harmless Pill
A placebo or inert medication designed to have no therapeutic effect, often used in clinical trials.
Active Drug
A substance with therapeutic effects that is used in the treatment or prevention of diseases or disorders.
Axon
The neuron’s extension that passes messages through its branching terminal fibers that form junctions with other neurons, muscles, or glands.
Neuron
A nerve cell; the basic building block of the nervous system.
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