Some cells do repairs if you get a cut. Red blood cells deliver oxygen and take away rubbish. And your white blood cells are like police looking for germs. There's a lot going on inside you!

The different cell types in your blood include: Red blood cells, which deliver oxygen to tissues and remove carbon dioxide White blood cells, which destroy invaders and fight infection Platelets ...

Leukemia is a blood or bone marrow cancer that produces blood cells. Leukemia occurs due to a problem with blood cell production. It usually affects the leukocytes or white blood cells. Leukemia ...