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Nervous System

brain, spinal cord, nerves


that part of the central nervous system that includes all the higher nervous centers

Spinal Cord

cord of nerve tissue that conducts messages between the brain and the peripheral nerves


a cell that is specialized to conduct nerve impulses


long nerve fiber that conducts away from the cell body of the neuron


short fiber that conducts toward the cell body of the neuron

Endocrine Sytem

decreased production of thyroid stimulating hormone (hypothyroidism) and Decreased metabolic rate


chemical substance secreted by endocrine glands that affect body processes


an organ of the body that secretes one or more hormones

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