Each globulin chain contains an important central structure called the heme molecule. Embedded within the heme molecule is iron that is vital in transporting oxygen and carbon dioxide in our blood. The iron contained in hemoglobin is also responsible for the red color of blood.Hemoglobin also plays an important role in maintaining the shape of the red blood cells.mbedded within the heme molecule is iron that is vital in transporting oxygen and carbon dioxide in our blood. The iron contained in hemoglobin is also responsible for the red color of blood. Hemoglobin also plays an important role in maintaining the shape of the red blood cells.
Beet Pulp (beet pulp, dried molasses and beet pulp, dried, plain) - the dried residue from sugar beets. Chicken-the clean combination of flesh and skin with or without accompanying bone, derived from the parts or whole carcasses of chicken or a combination thereof, exclusive of feathers, heads, feet and entrails.
Merrick Classic Dog Food earns the Advisorâs top rating of 5 stars. The Merrick Classic product line includes seven dry dog foods, each claimed to meet AAFCO nutrient profiles for all life stages.weet potatoes are a gluten-free source of complex carbohydrates in a dog food. They are naturally rich in dietary fiber and beta carotene. The eighth ingredient is pork fat, a product from rendering pig meat.