Examlex
Explain the concept of a keystone species.
Human Brain
A complex organ in vertebrates responsible for processing sensory information, regulating vital functions, and enabling thought, emotion, and memory.
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.
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