We just learned about the Haematopoiesis.
The bone marrow that uses haematopoiesis makes Blood Cells, also called hematopoietic cells, hemocytes or hematocytes.
Remember we learned before that the Greek word for blood is hema, so that is why all of those other names start with hema.
Blood cells come in three types: Red blood cells, white blood cells and platelets.
(from: wikipedia - blood cell)
Kid Facts - Blast from the past: Lens
