👉 Red blood cells are oval-shaped and lack a nucleus, transporting oxygen throughout the body with remarkable speed. White blood cells fight infections, rapidly changing shape and numbering up to 10,000 a day in response to illness.
👉 Red blood cells are oval-shaped and lack a nucleus, transporting oxygen throughout the body with remarkable speed. White blood cells fight infections, rapidly changing shape and numbering up to 10,000 a day in response to illness.
https://goldloadingpage.com/word-dictionary/mens blood cells
