Which initiates the electrical impulses to stimulate contraction in hu

1.	Which initiates the electrical impulses to stimulate contraction in human heart?
Answer» Answer: SA NODE (sinoatrial node) – known as the heart's natural PACEMAKER. The impulse starts in a small BUNDLE of specialized cells located in the RIGHT atrium, called the SA node. The electrical activity spreads through the walls of the atria and causes them to contract.

Which initiates the electrical impulses to stimulate contraction in human heart?

Answer»

Answer:

SA NODE (sinoatrial node) – known as the heart's natural PACEMAKER. The impulse starts in a small BUNDLE of specialized cells located in the RIGHT atrium, called the SA node. The electrical activity spreads through the walls of the atria and causes them to contract.

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Which initiates the electrical impulses to stimulate contraction in human heart?​

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Which initiates the electrical impulses to stimulate contraction in human heart?