Circle True or False for the following questions.1. The heart beats without extrinsic stimulation from the autonomic nervous system. True or False 2. Autorhythmic cells are located only in the interventricular septum. True or False 3. Each heart chamber contracts separately, first the right atrium, then the right ventricle, left atrium, and left ventricle. True or False 4. The ECG records the electrical stimulation of cardiac muscle by the conduction system and not the contraction of the muscle itself. True or False 5. The normal pacemaker of the heart is the AV node. True or False

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Circle True or False for the following questions.1. The heart beats without extrinsic stimulation from the autonomic nervous system. True or False
2. Autorhythmic cells are located only in the interventricular septum. True or False
3. Each heart chamber contracts separately, first the right atrium, then the right ventricle, left atrium, and left ventricle. True or False
4. The ECG records the electrical stimulation of cardiac muscle by the conduction system and not the contraction of the muscle itself. True or False
5. The normal pacemaker of the heart is the AV node. True or False

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