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20 Cards in this Set
- Front
- Back
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What is a reflex? |
A reflex is an involuntary response that is processed in the spinal cord, not the brain. |
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What is the purpose of a reflex? |
Reflexes protect the body before the brain knows what is going on. |
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What does the central nervous system consist of? |
The brain and spinal cord. |
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What kind of activities does the cerebrum handle? |
voluntary activities |
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What does the cerebellum do?
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It controls coordination and balance. |
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What activities does the medulla control? |
Involuntary activities. |
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What does the spinal cord do? |
It allows communication between the brain and the body. |
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What does the peripheral nervous system consist of? |
Sensory division and motor division. |
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What does the peripheral nervous system include? |
All sensory neurons, motor neurons, and sensory organs. |
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What causes Alzheimer's disease? |
Unkown |
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What are the symptoms of Alzheimer's? |
Dementia/memory loss, degenerative. |
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What causes multiple sclerosis? |
autoimmune damage to cells. |
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What are the symptoms of multiple sclerosis? |
Muscle, bladder, eye, problems throughout the body. |
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What causes a stroke? |
A blood clot in the brain. |
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What are the symptoms of a stroke? |
Numbness, confusion, loss of coordination, and headache. |
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What is the main function of the nervous system? |
It controls system controls and coordinates functions throughout the body and responds to internal and extrenal stimuli. |
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What does the nervous system consist of? |
The brain, spinal cord, nerves, and sensory organs. |
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What are the sense organs? |
Eyes skin ears hands and tongue. |
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What is a nerve? |
An organ containing a bundle of nerve cells known as neurons. |
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What do neurons do? |
They carry electrical messages known as impulses throughout the body. |
