Examlex
________ neurons in the spinal cord carry sensory messages from receptors to the brain.
Stimulants
Substances that increase the activity of the central nervous system, leading to increased alertness, attention, and energy.
Muscle Tension
A condition where muscles remain contracted for an extended period, often as a result of stress or physical activity, which can lead to discomfort and pain.
Respiratory System
The biological system consisting of specific organs and structures used for gas exchange in animals and humans, notably the lungs and airways.
Hallucinogenic Drugs
Substances that alter perception, mood, and a variety of cognitive processes, often leading to visual or auditory hallucinations.
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