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15 Cards in this Set
- Front
- Back
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Neuron
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working unit of the nervous system
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Dendrite
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branch of neuron that receives messages and sends them to the cell body
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Axon
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branch of neuron that carries messages, or impulses, away from the cell body
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Synapse
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small space between neurons
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Central Nervous System
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contains the brain and spinal cord
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Peripheral Nervous System
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made up of all nerves outside the central nervous system
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Cerebrum
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divided into two hemispheres
KNOW: senses memory thinking |
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Cerebellum
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KNOW:
voluntary muscles balance muscle tone |
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Brain Stem
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most important part of the brain
KNOW: controls heartbeat breathing blood pressure (involuntary muscles) |
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Reflex
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automatic response to a stimulus
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Cochlea
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structure in the inner ear, shaped like a snail shell, contains fluid to vibrate, sending impulses to the brain by the auditory nerve
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Retina
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light sensitive tissue at the back of the eye,
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Olfactory Cell
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sensory recepters in the nasal passages that respond to gas molecules in the air and send inmpulses to the brain for the interpretation of odors
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Taste Bud
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sensory recepter in the mouth (tongue) respond to chemical stimuli
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Hormone
Target Tissue |
endocrine chemicals that are produced from glands directly into the bloodstream and that affect target tissues
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