: : A В АВ CD Time Membrane potential (mv)

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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A
В
АВ CD
Time
During which time period(s) is K* exiting the pacemaker cell?
Membrane
potential (mv)
Transcribed Image Text:A В АВ CD Time During which time period(s) is K* exiting the pacemaker cell? Membrane potential (mv)
Expert Solution
Step 1

The heart is an organ that contracts in a rhythmic manner, and every heartbeat commences the ions flow across the membrane of the cardiac cell. Pacemaker cells are involved in generating this flow of ions in a single direction through the unique conducting tissue into the cardiac muscles. The impulse generated by the pacemaker cells leads to the contraction of the heart muscle mechanically. 

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