A Coggle Diagram about What is a blood transfusion?, How where they invented?, Statistics/Facts (Over 100 million units of donated blood are connected globally each year.
, Every two seconds someone in the US needs blood and A single car accident can need 100 pints of blood ?), Who invented blood transfusions? and How do they work? (Old way: When injecting blood into another being, place the needle directly in the vein and inject, making sure there is no air being injected too.
When taking blood from someone, put needle in vein and pull the plunger of the syringe out. and New method: An intravenous line is placed in the patients body, blood flows into the patients body.
A needle in a IV tube is placed in the arm and kept in for 8-10 minutes, blood flows out by gravity. )