composition of blood. whole blood and centrifuged blood in test tubes. whole blood separates into plasma, white blood cells, platelets and red blood cells after centrifugation - 血小板 幅插畫檔、美工圖案、卡通及圖標試管, 紅血球
colorful abstract digital art with glass reflection and dynamic contrast - 血小板 幅插畫檔、美工圖案、卡通及圖標顏色漸變, 彩虹, 形狀