The sympathetic nervous system increases cardiac output by increasing both heart rate and stroke volume.

Name: The sympathetic nervous system increases cardiac output by increasing both heart rate and stroke volume.
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Question

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The sympathetic nervous system stimulates the release of epinephrine and norepinephrine, which increase heart rate and enhance myocardial contractility leading to an increase in stroke volume. Together, these actions increase cardiac output.

The Sympathetic Nervous System Increases Cardiac Output by Increasing Both