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Biology

9 June, 18:07

The sequence of travel by an action potential through the heart is

1 - atrioventricular node, sinoatrial node, atrioventricular bundle, bundle branches, Purkinje fibers.

2 - sinoatrial node, atrioventricular node, atrioventricular bundle, bundle branches, Purkinje fibers.

3 - atrioventricular node, sinoatrial bundle, atrioventricular node, bundle branches, Purkinje fibers.

4 - atrioventricular bundle, atrioventricular node, sinoatrial node, bundle branches, Purkinje fibers.

5 - Purkinje fibers, atrioventricular bundle, atrioventricular node, sinoatrial node, bundle branches.