Platelets (thrombocytes): These mobile elements are shaped from pieces of cells found in the bone marrow referred to as megakaryocytes. The frequent myeloid progenitor can differentiate into both RBC or WBC, or platelets, as well as the common lymphoid progenitor can differentiate into lymphocytes. The length necessary for your https://www.youtube.com/watch?v=buIHtQY7fCU