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12 Cards in this Set
- Front
- Back
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what is the main three functions of the nervous system? |
sensory input, integration, motor output |
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what are the main two components |
central nervous system, Deripheral nervous system |
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which component sends signals to the brain and spinal cord? |
A) central nervous system B) Deripheral nervous system |
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what is a neuron? |
the structural and functional unit of the nervous system. |
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what are the 5 main parts of a neuron? |
cell body, dentrites, axon, myelin sheath, proprioceptors |
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what are the two divisions of Peripheral Nervous System PNS? |
Afferent and Efferent |
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Signals are conducted by ________ which are bundles of ______ wrapped in connective tissue. |
Neurons Nerves |
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Inter neurons are neurons within the ____ |
CNS |
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Describe what a Reflex Arc is and give an example. |
It is an automatic response to an action that bypasses the brain. An example is your hand on a hot stove. |
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what are the receivers in a neuron? |
Dendrites |
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what is the role of the Myelin Sheath? |
it acts as an insulator and speeds up transmission of impulse. |
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What are the gaps between each neuron called? |
Synapses |
