Science / Biology / Nervous System: One of eleven major body organ systems in animals; coordinates and controls actions of internal organs and body systems, receives and processes sensory information from the external environment, and coordinates short-term reactions to these stimuli.
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Nervous Noun Synonyms: highly-strung, excitable, sensitive, tense, agitated, wrought up, worked up, upset, flustered, ruffled, disturbed, perturbed, distressed, worried, anxious, troubled, concerned, disquieted, edgy, on edge, on tenterhooks, fidgety, fretful, uneasy, apprehens
Nervous Adjective Synonyms: difficult, tense, critical
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System Noun Synonyms: scheme, method, approach, modus operandi, way, procedure, methodology, technique, plan, process, practice, routine
System Adjective Synonyms: organized whole, organization, set, group, combination, structure, arrangement, pattern, set-up
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Health / Fitness / Sympathetic Nervous System: Part of the autonomic nervous system that prepares the body for activity by speeding up the heart rate. MORE
Science / Biology / Sympathetic System: The subdivision of the autonomic nervous system that dominates in stressful or emergency situations and prepares the body for strenuous physical activity, e.g., causing the heart to beat faster. MORE
Science / Biology / Central Nervous System (CNS): The division of the nervous system that includes the brain and spinal cord. MORE
Science / Biology / Somatic Nervous System: The portion of the peripheral nervous system consisting of the motor neuron pathways that innervate skeletal muscles. MORE
Health / Fitness / Parasympathetic Nervous System: Branch of the autonomic nervous system that slows the heart rate. MORE
Science / Biology / Peripheral Nervous System: The division of the nervous system that connects the central nervous system to other parts of the body. Components of the nervous system that transmit messages to the central nervous system. MORE