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17 Cards in this Set
- Front
- Back
What is the Peripheral Nervous System?
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Collects information about the body's environment
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What is the Central Nervous System?
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Controls and coordinates functions throughout the body and responds to internal and external stimuli
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What is a Cell Body?
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Largest part, contains the nucleus and most the cytoplasm
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What is a Dendrite?
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Collect impulses from other neurons and into the cell body
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What is a Axon?
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Is a long fiber that carries impulses away from the cell body
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What is a Resting Potential?
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The inside is (-) while the outside is (+) of the neuron
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What is a Action Potential?
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Change in electrical potential associated with the passage of an impulse along the membrane of a muscle cell or nerve cell
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What is a Threshold?
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A stimulus that helps the action potential
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What is a Synapse?
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Where neuron pass messages
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What is the Cerebrum?
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Includes the Frontal, Parietal, Occipital, Temporal and Cerebellum
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What is the Hypothalamus?
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Controls body temperature, thirst, hunger and regulates sleep and emotions
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What is the Cerebellum?
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Helps function muscles and coordination
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What is the Brain Stem?
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Regulates breathing and the heart beat
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What is Dopamine?
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A chemical released from the brain that makes a human being feel happy
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What is the Somatic Nervous System?
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Carries the pain sensation and voluntarily controls muscle functions
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What is the Reflex Arc?
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The nerve pathway involved in a reflex action including at its simplest a sensory nerve and a motor nerve with a synapse between
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What is the Autonomic Nervous System?
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The part of the nervous system responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes
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