Term
Sympathetic Nervous System
What does it do? |
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Definition
1. Increase heart & respiration rates
2. Increase flood flow to brain & skeletal muscles
3. Contracts sphincter muscles in the digestive & urinary tracts
4. Inhibits gland secretion - with exception of sweat glands where perspiration increases |
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Term
Sympathetic Nervous System
Preganglionic cells of the sympathetic system are in the lateral horns of the spinal cord. What numbers of the spine? |
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Definition
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Term
Sympathetic Nervous System
are the postganglionic cells? |
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Definition
In the sympathetic chain, which runs alongside the length of the spine.
Also, in three separate ganglia in the abdomen |
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Term
Parasympathetic Nervous System
What does it do? |
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Definition
1. Reduces hear and respiration rates
2. Relaxes sphincters
3. Increases gland secretions and smooth muscle contraction of digestion, elimination and sex.
4. Increases blood flow to penis and clitoris |
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Term
Parasympathetic Nervous System
Where is the preganglionic cells of the parasympathetic system located? |
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Definition
| Brain Stem & the Sacral section of the spinal cord. |
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Term
Parasympathetic Nervous System
How does the preganglionic cells of the parasympathetic work to get the impulses to the organs? |
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Definition
| They send axons through cranial and sacral nerves to postganglionic cells, located in numerous peripheral (PNS) ganglia directly adjacent to their target organs. |
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