The sound of heartbeats is made by the four valves of the heart opening and closing. Here are the 10 amazing facts about human heart.
1) Blood takes about 20 seconds to circulate through the entire human body.
2) Daily approx. 2,700 people die of heart disease.
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3) Every day, the heart creates enough energy to drive a truck 20 miles, which is 32 Km.
4) The heart does the most physical work of any muscle during a lifetime.
5) On average, women heart beats faster than men.
6) Your heart can keep beating even if it is separated from the body because it has its own electrical impulse.
7) The heart pumps to almost all of your body’s 75 trillion cells.
8) When you laugh, the blood flow in to your heart is increased for approx 45 minutes.
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9) Your heart has four valves, and with every beat of your heart they open and close to allow blood to flow through the heart in one direction only.
10) A man received the heart of a suicide victim, married his widow, and years later killed himself on the same way his donor did.