👉 Red blood cells are small, round and lack nuclei, rapidly circulating to deliver oxygen throughout the body. White blood cells vary in shape and function, acting as the body's immune guardians, quickly identifying and fighting invaders.
👉 Red blood cells are small, round and lack nuclei, rapidly circulating to deliver oxygen throughout the body. White blood cells vary in shape and function, acting as the body's immune guardians, quickly identifying and fighting invaders.
