Pale skin, especially around the hands, nails, and eyelids are the symptoms of ______ deficiency.
iron
Iron helps red blood cells carry oxygen to the body and plays a key role in brain and muscle function. A lack of iron in the blood lead to iron-deficiency anemia, a common nutritional deficiency in children. Tiredness, weakness, pale skin, especially around the hands, nails, and eyelids are the symptoms of this deficiency.