Did You Know

Posted on Posted in Latest News
• One pint of whole blood – the most common form of donation – can save up to three lives.
• Someone needs blood every two seconds.
• There is no substitute for human blood.
• One in seven people entering a hospital need blood.
• Females receive 53 percent of blood transfusions; males receive 47 percent.
• One unit of blood can be separated into several components: red blood cells, plasma and platelets.
• Fourteen tests (11 for infectious diseases) are performed on each unit of donated blood.
• Healthy adults who are 16 years old and weigh at least 120 pounds are eligible to donate whole blood.
• There are 150 Billion red blood cells in one ounce of blood.
• There are 2.4 Trillion red blood cells in one pint of blood.
• The human body manufactures 17 million red blood cells per second. If stress precipitates a need the body can produce up to 7 times that amount. (That’s up to 119 million red blood cells per second.)
• A red blood cell is around 7 microns in size. (A micron is one millionth of a meter).
• It only takes 20 to 60 seconds for a drop of blood to travel from the heart, through your body, and back to the heart again.
• Cows have 800 (and possibly more) blood types.
• The most common blood type in the United States  is O Positive (39% of the population),   while the least common blood type is AB negative with only (0.5% of the population).
• Patients in the United States use approximately 32,000 pints of blood every day.
• All blood isn’t red. Crabs have blue blood. Earthworms and leeches have green blood. Many invertebrates, such as starfish, have clear or yellowish blood.

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