Examlex
Match each description with the item below.
-Theodore Roosevelt
Receptor Site
Specific regions on the surface of cells or within cells designed to bind with certain substances, including neurotransmitters, hormones, and drugs.
Neurotransmitter
Chemical substances released by neurons to transmit signals across a synapse to another neuron, a muscle cell, or some other kind of cell.
Sympathetic Nervous System
Part of the autonomic nervous system that activates the body's rapid involuntary response to dangerous or stressful situations.
Parasympathetic Nervous System
Part of the autonomic nervous system responsible for conserving energy and promoting relaxation and recovery processes in the body.
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