The heart is an amazing organ. It pumps oxygen and nutrient-rich blood throughout your body to sustain life. This fist-sized powerhouse beats (expands and contracts) 100,000 times per day, pumping five or six quarts of blood each minute, or about 2,000 gallons per day. CHECK YOU BLOOD PRESSURE A FEW TIMES A WEEK IF YOU CAN, ONE HEART IS ALL YOU GOT.......