Platelets (thrombocytes): These cell components are fashioned from parts of cells present in the bone marrow named megakaryocytes. Generally speaking, Greek thinkers thought that blood was made out of meals. Plato and Aristotle are two important resources of evidence for this watch, nonetheless it dates back to Homer's Iliad.[forty https://www.youtube.com/watch?v=buIHtQY7fCU