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5 Cards in this Set
- Front
- Back
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What does the autonomic nervous system do? |
Influences the heart rate, rhythm and contractility of the heart. |
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What does the sympathetic system do? |
It influences the release of epinephrine & norepinphrine. |
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What do sympathetic nerves do? |
Sympathetic nerves stimulate the chambers to beat faster with greater force of contraction. |
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How does the parasympathetic system influence the innervation of the heart? |
Through the release of acetylcholine from the vagus nerve. |
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What is the role of the parasympathetic nerves on the heart rate? |
Slow it down primarily through influence on the SA node. |
