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Describe how the heart rate changes
and how it is regulated by neural,…
Describe how the heart rate changes
and how it is regulated by neural, hormonal and intrinsic factors.
Neural Factors
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There are two branches of the nervous system, parasympathetic system & the sympathetic system
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The cardiac control center is located in the medulla oblongata which controls the rate of breathing via the nervous system
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Chemical Factors
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Chemoreceptors detect carbon dioxide in the blood, which then stimulates the sympathetic nervous system
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