Answer: C) Iron-deficiency anemia
Step-by-step explanation:
Iron anemia or deficiency of iron is a condition in which blood lacks adequate amount of healthy red blood cells. In this condition the body does not contain enough iron so as to produce hemoglobin. The blood loss from the body, inability of the body to absorb the iron from the food, pregnancy all can also be the cause of iron- deficiency anemia. For the identification of this condition the blood can be seen in the stool,brittle nails, weakness, extreme fatigue, and pale skin can be looked upon.
Thus C is the correct option.