Monday, February 24, 2020

How Do Blood Transfusions Work?

The first blood transfusions took place long before we had any concept that blood came in different types. That is frightening to think about. Most patients died, but for some reason they kept trying. Aren't you glad they finally figured it out? (via Geeks Are Sexy)

1 comment:

xoxoxoBruce said...

If you think that's scary, remember surgery came long before anesthesia.