hemoglobin - a protein found on the membrane of erythrocytes (red blood cells) whose function is to carry oxygen throughout the animal body by the circulatory system.
(a protein; found; L:on the membrane of erythrocytes) (red blood cells; is; to carry oxygen throughout the animal body by the circulatory system)
a protein red blood cells
found is
L:on the membrane of erythrocytes
to carry oxygen throughout the animal body by the circulatory system