Adoctor suspects that one of her patients has a deficiency in one of the six key elements found in living organisms. he has low energy and extremely weak, soft bones. based on this information alone, which nutrient supplement will she most likely

Red blood cells are responsible for transporting oxygen in the blood. people with sickle cell anemia were born with a defective gene that results in sickle-shaped red blood cells. individuals with the disease often suffer pain in their extremities due to the build-up of these cells causing blockages in the blood vessels. the shape of the blood cells also reduces the amount of oxygen transported in the blood.