Medicine

Medicine, 22.11.2019 23:31, labrandonanderson00

The electrocardiogram represents
a. the electrical activity of all of the cardiac muscle
b. cells the electrical activity of only the pacemaker
c. cells the contractile activity of most of the myocardium
d. the electrical activity of the nerves that regulate the heart beat

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The electrocardiogram represents
a. the electrical activity of all of the cardiac muscle

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