Red blood cells carry oxygen, while white blood cells do not. Red blood cells in human do not have nuclei, while White cells do.
Red blood cells carry around oxygen to the muscles but white blood cells fight bacteria by in engulfing them !
because white blood cells are used less than red blood cells.
Yes animals have red and white blood cells like humans. However the blood types are different for red blood cells in different species. Also amphibians, reptiles, and birds all have nuclei in their...
BLOOD.