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Title: _____ cells create impulses that determine the heart rate. Post by: Darryl2057 on Mar 18, 2018 _____ cells create impulses that determine the heart rate.
a. Pacemaker b. Conductive c. Working d. Contractile Question 2 The several layers of cells providing protection above the cell membrane are called the what? A) Complex epithelium B) Stratified epithelium C) Layered epithelium D) None of the above Question 3 The QRS wave on an ECG tracing indicates: A) depolarization of the ventricles. B) depolarization of the atria. C) myocardial infarction. D) ventricular repolarization. Title: _____ cells create impulses that determine the heart rate. Post by: kali on Mar 18, 2018 A B A |