The function of the gap junctions of the intercalated disc is to: O Allow neurotransmitter to diffuse from a neuron to the muscle cell at a synapse O allow the electrical signal from the SA node to spread from cell to cell throughout the heart connect cells together so that the cells do not physically separate O open and close during the cardiac muscle action potential O Create the pacemaker potential
The function of the gap junctions of the intercalated disc is to: O Allow neurotransmitter to diffuse from a neuron to the muscle cell at a synapse O allow the electrical signal from the SA node to spread from cell to cell throughout the heart connect cells together so that the cells do not physically separate O open and close during the cardiac muscle action potential O Create the pacemaker potential
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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Transcribed Image Text:The function of the gap junctions of the intercalated disc is to:
O Allow neurotransmitter to diffuse from a neuron to the muscle cell at a synapse
O allow the electrical signal from the SA node to spread from cell to cell throughout the heart
O connect cells together so that the cells do not physically separate
O open and close during the cardiac muscle action potential
O Create the pacemaker potential
Expert Solution
Step 1
The long, thick and dark lines that join the cardiac muscle cells from end to end are called the intercalated discs. They are perpendicular to the cell axis and have gap junctions that lie adjacent to them.
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