A. Pacemaker cells located in the atria fire before the pacemaker cells in the ventricles. B. It takes time for hormones to diffuse from the atria to the ventricles to trigger contraction. C.The electrical signal generated in the right atrium is delayed at the AV node before passing to the ventricles. D.The ventricular muscle cells contract more slowly than the atrial muscle cells.
Answer:
It can tell the medical professionals if there is an issue with your cardiovascular system.
Explanation:
Along with the ability to count the number of times your heart beats, it tells the provider that there is sufficient blood flow to that area of the body. If a pulse is not felt in an area such as the foot, it is considered an emergency because there is no blood flow to that part of the body.
I believe the answer is A.
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