التخصص : ارتفاع ضغط الدم
السؤال : لماذا كريات الدم الحمراء نسبتها عند malesاكثر من females ؟
الجواب : Males generally have larger bodies , and more muscle mass . The higher demand for oxygen is met by a higher RBC count . Additionally , the male hormone , testosterone , also stimulates production of RBCs .

