👉 Red blood cells have a biconcave shape, maximizing surface area for oxygen absorption. White blood cells vary by type; neutrophils rush into fights instantly, while lymphocytes tackle infections quietly.
👉 Red blood cells have a biconcave shape, maximizing surface area for oxygen absorption. White blood cells vary by type; neutrophils rush into fights instantly, while lymphocytes tackle infections quietly.
https://goldloadingpage.com/word-dictionary/diagram blood cells
