Labels:cell | door | fence | person | sky | tree | windowpane OCR: MONOCYTES ONOCYTES are the largest of out of the bloodstream. They then the white blood cells They turn into macrophages big cell also form part of the body defence eaters" which hunt and destroy system. They travel to parts of the invaders. They move along with body inf fected by germs, and pass the aid of arm -like extensions Activated monocyte Arm -like extensions infected