The Human Heart

question 17

Multiple Choice

The human heart

• A) contracts as a result of stimuli from the sinoatrial node.
• B) contracts only as a result of nerve stimulation from the central nervous system.
• C) is activated primarily through the autonomic nervous system.
• D) rate is primarily under the control of the atrioventricular node.
• E) is independent of all nervous control.

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Definitions:

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Solid Object

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