Here are some examples:
* Hemoglobin: The protein in red blood cells that carries oxygen.
* Hemophilia: A genetic disorder that prevents blood from clotting properly.
* Hematoma: A collection of blood outside of a blood vessel, usually caused by an injury.
* Hemolysis: The breakdown of red blood cells.
* Hemodialysis: A procedure that filters blood when the kidneys are not working properly.
So, whenever you see "hemo-" in a scientific term, it's likely related to blood in some way.