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13 Cards in this Set
- Front
- Back
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Central Nervous System
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consists of the brain and the spinal cord
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Peripheral Nervous System
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nerve cells that send messages between the central nervous sytem and other parts of the body.
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Neurons
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Nerve cells that run through our entire bodies and communicate with each other.
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Cell Body
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produces energy that fuels the neurons activity
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Dendrites
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receive information from other neurons and pass the message through the cell body
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Axon
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transmits messages away from it
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Myelin
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white fatty substance that insulates and protects the axon
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Axon terminals
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fibers at the end of the axon
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Synapse
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junction between the axon terminals of one neuron and the dendrites of another.
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Neurotransmitters
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Neurons send messages across synapses
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Spinal Cord
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column of nerves about as thick as a thumb that extends from the brain down the back
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Somatic Nervous System
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transmits sensory messages to the central nervous system.
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Autonomic Nervous system
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regulates the boyds vital functions, such as heartbeat, breathing, digestion, and blood pressure.
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