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.
The average human has about 1.0 to 1.5 gallons of blood. The kidneys continually filter this throughout the day, all the blood being filtered about once every 45 minutes or so. The BBC Body page puts the figure at 150 liters a day which is around 40 US (33 UK) gallons. Other data source puts the figure at about 180 liters a day, which is 48 US ( 40 UK) gallons.