الصف :الحادي عشر - العام الدراسي :2014/2015
Anemia is a condition in which your blood has a lower than normal number of red blood cells.
If you have anemia, your body doesn't get enough oxygen-rich blood. As a result, you may feel tired or weak. You also may have other symptoms, such as shortness of breath, dizziness, or headaches.
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حلقة بحث84Sickle cell Anemia
