Nutrition and Health of China Residents

Anemia patients are caused by too little hemoglobin or too few red blood cells in the blood. Hemoglobin is a kind of red protein containing iron, which is characterized by: easy to combine with oxygen in places with high oxygen content;

It is easy to get rid of oxygen in places with low oxygen content. Anemia patients' ability to deliver oxygen is low, which affects the normal physiological activities of various organs in the body, thus showing symptoms such as listlessness, fatigue, dizziness and pallor. Generally, anemia patients should eat more foods containing protein and iron. It can be seen that D meets the meaning of the question.

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