Exam (elaborations)
MEAS 238/239 - Chapter 49 || A+ Graded Already.
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Depolarization correct answers The electrical impulse that initiates a chain reaction resulting in contraction. Sinoatrial (SA) node (pacemaker) correct answers Electrical impulses occur at a rate of 60 to 100 beats per minute, initiating the heartbeat with an electrical impulse that causes depo...
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