This is just a stub article of topics that I think belong under this heading - or move it to hematology if that seems more sensible.
Move the headings around and add more - whatever makes more sense. I'm not a haematologist.
Blood is the common term used for the fluid in the circulatory system of animals, that is used to distribute oxygen and nutrients to the cells of the body.
- blood cells
- anemia and vitamin B12