Blood Facts!

Overview

Pop Quiz: Blood Facts!

Question 1

Where are most of your blood cells made?

Choices

Blood vessel walls, the pancreas, lymph nodes, or bone marrow

Conclusion

Most blood cells are made in your bone marrow, a spongy tissue found within some of your large bones.

Question 2

How long is the lifespan of a red blood cell?

Choices

One hour, two days, three weeks, or four months

Conclusion

A red blood cell lives for about four months before it's removed from circulation.

Question 3

And finally, true or false: A person with AB positive blood is known as a "universal blood donor."

Conclusion

That's false! A universal blood donor has type O negative blood. It can be given to people who have any other blood type.

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.