During my previous two posts viewers have asked about grading either because they have had difficulty with it or because they want to know how to select PCGS- or NGC-gradeworthy coins. Each denomination requires different skills. The Morgan dollar ranks among the easiest to grade because of its generous fields.
Over 1,500 Gallons of Blood Pumped Daily The heart is a powerful muscle that beats without stopping throughout a lifetime. It pumps about 55-80 ml (1/3 cup) of blood with each beat for adults and around 25-85 ml per beat for children. An adult heart pumps about 6,000-7,500 liters (1,500-2,000 gallons) of blood daily.
How much does the average heart pump per heart beat; How much energy does the heart generate; True or false The heart pumps in a lifetime the equivalent of leaving a kitchen faucet on for 45 years. True or False The heart pumps blood to the bodies 75 trillion cells; What percentage of blood does the nervous system receive