Which component of the ekg causes the heart to contract?

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Which component of the EKG causes the heart to contract?

A. P wave

B. QRS complex

C. T wave

D. AV node


Please find the answer below:

Answer: B. QRS complex

Explanation: Depolarization of the ventricles
is depicted by the QRS complex also called the QRS wave.
Depolarization of the ventricles causes the contraction of the
ventricles allowing the heart to pump blood to the lungs from the
right ventricle and the pumping of the blood to all parts of the
body from the left ventricle.

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