Blood Facts

October 1, 2021

  1. An adult has about 1.325 gallons of blood.
  2. A blood cell can make a complete circuit of your body in less than 30 seconds.
  3. Only place blood cannot be found is the cornea.
  4. A new born baby will have around 1 cup of blood in its body.
  5. Cows have 800+ blood types.
  6. The most common blood type in the USA is O Positive.
  7. Crabs and lobsters have blue blood, earthworms and leeches have green blood.
  8. The human body manufactures 17 million red blood cells per second.
  9. The Presidential state car features a blood bank of the President’s blood type.
  10. More than 400 gallons of blood are filtered by our kidneys every single day.
  11. Facebook’s Japanese version has a drop down option of ‘Blood Type’ for user profiles.
  12. If all blood vessels in a human body are placed end to end, they can wrap around our earth nearly 2.5 times!
  13. Mosquitoes prefer people with blood type “O”.
  14. Pregnant women have roughly 50% more blood by week 20 of pregnancy.
  15. There is gold in human blood, but only about 0.2 milligrams.