👉 Red blood cells are shaped like tiny spheres, carrying oxygen throughout the body at lightning speed. White blood cells, smaller with a round nucleus, rush to fight off infections swiftly.
👉 Red blood cells are shaped like tiny spheres, carrying oxygen throughout the body at lightning speed. White blood cells, smaller with a round nucleus, rush to fight off infections swiftly.
https://goldloadingpage.com/word-dictionary/number blood cells
