Which nerves to the heart alter cardiac output by increasing heart rate and increasing contractility?

Name: Which nerves to the heart alter cardiac output by increasing heart rate and increasing contractility?
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Question

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The sympathetic nerves to the heart alter cardiac output by increasing heart rate and increasing contractility. These nerves release norepinephrine which binds to beta-adrenergic receptors in the heart, causing an increase in heart rate and contractility.

Which Nerves to the Heart Alter Cardiac Output by Increasing