Term
| What are the integrative functions of the nervous system? |
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Definition
information gathering
processing info
provide response which alters or controls bodily functions |
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Term
| What is the motor function of the nervous system? |
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Definition
| Initiates and regulate movement of body parts |
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Term
| What are the functions of the nervous system? |
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Definition
Sensory, integration, and motor functions
Regulation of secretion glands
Maintenance of appropriate state of consciousness |
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Term
| What are the nervous functions of the brain + spinal cord? |
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Definition
- Receive, analyze, store, integrate info
- take this info and send signal to trigger action |
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Term
| How is information relayed throughout the body? |
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Definition
| Through electrochemical impulse |
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Term
| What are the two main classes of cells in the nervous system? |
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Definition
1. glial cells and neuroglial cells
2. neurons |
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Term
| What is the function of the glial and neuroglial cells? |
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Definition
- structural and functional support for nervous system
- protect nervous system
- provide nutrients and oxygen
- anchor neurons
- destroy pathogens
- remove dead neurons |
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Term
| Myelin is a ____ substance that forms a sheath around the ____ |
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Definition
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Term
| How does myelin affect information transfer? |
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Definition
| Its presence increases the speed of propagation of chemical impulse |
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Term
| True or false: Neuroglial and glial cells are not involved in the transmission of information or impulses |
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Definition
| True, they are support cells |
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Term
| Describe the function of neurons |
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Definition
| - develop action potential to carry info along the neuron's cellular processes |
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