Final answer:
An individual who experiences fast breathing may be exhibiting the symptom of tachypnea, which is common in anemia.
Step-by-step explanation:
An individual who experiences fast breathing may be exhibiting the symptom of tachypnea, which is characterized by rapid and shallow breathing. This can occur in cases of anemia where the body's oxygen-carrying capacity is reduced. Tachypnea is the body's compensatory mechanism to increase the oxygen supply.
Learn more about symptom of anemia