Amazing Facts - Heart!!!

Heart!! Everyone of us have heart to pump blood and also to love. Here are some interesting facts about heart that will make us fall in love with our heart all over again....

 -An adult woman's heart weighs about 8 ounces, a man's about 10 ounces.
-The heart begins beating at four weeks after conception and does not stop until death.
-A child's heart is about the size of a clenched fist; an adult's heart is about the size of two fists.
-A kitchen faucet would need to be turned on all the way for at least 45 years to equal the amount of blood pumped by the heart in an average lifetime.
-Every day, the heart creates enough energy to drive a truck 20 miles. In a lifetime, that is equivalent to driving to the moon and back.
-Because the heart has its own electrical impulse, it can continue to beat even when separated from the body, as long as it has an adequate supply of oxygen.
-The heart does the most physical work of any muscle during a lifetime. The power output of the heart ranges from 1-5 watts.
-Grab a tennis ball and squeeze it tightly: that’s how hard the beating heart works to pump blood
-Your heartbeats with enough strength to shoot blood a distance of 30 feet.

A hearty laugh - the kind that sends a stream of tears from your eyes - does more than warm the soul. Research has shown the guffaw can cause the lining of blood vessel walls called endothelium to relax, increasing blood flow for up to 45 minutes after the laugh attack. Damage to the endothelium can lead to the narrowing of blood vessels and eventually cardiovascular diseases.