Arey aap kyun khaamakha pareshaan ho rahe hai promise toh mene kiya tha na it's ok 123suryansh.
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The conduction system of the heart works this way: The SA node is known a natural pacemaker because it sets the pace of the heartbeat. It is where cardiac muscle contraction begins, from an impulse which causes the right and left atria to contract and push blood into the ventricles.
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A good way to start off with the proof of the area of a triangle is to use the area of a rectangle to quickly derive the area of a right triangle. The area of each triangle is half the area of the rectangle.
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