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Nervous System
Nerves
Question | Answer |
---|---|
Responsible for coordinating all the activities performed inside and outside the body | nervous system |
Study of the structure, function, and pathology of the nervous system | neurology |
Consists of brain, spinal cord, spinal nerves, and cranial nerves; controls consciousness, mental activities, voluntary functions of the five senses, and voluntary muscles | central nervous system (cerebral spinal) |
System of nerves that connect the outer parts of the body to the central nervous system; carries impulses to and from the central nervous system | peripheral nervous system |
The part of the nervous system that controls the involuntary muscles; regulates actions of involuntary muscles, glands, blood vessels, and heart | autonomic nervous system |
The primary structural unit of the nervous system, comprised of the cell body and nucleus | neuron |
Tree-like branchings of nerve fibers extending from nerve cell that receive impulses from other neurons | dendrites |
Send impulses away from the cell body to other neurons, glands, or muscles | axon |
Carry impulses or messages from the sense organs to the brain | sensory nerves |
Carry impulses from the brain to the muscles | motor nerves |
Automatic nerve reaction to a stimulus | reflex |