Some facts to ponder, from one of the medical blogs I read :-All of the blood vessels in your body, including arteries, veins and capillaries, are more than 60,000 miles long.An adult heart pumps approximately 2,000 gallons of blood each dayThe heart beats about 100,000 times each dayAn average human heart beats more than 2.5 billion times in 70 yearsBlood takes about 20 seconds to circulate throu