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17 Cards in this Set

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