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Because a hormone testosterone secreted only in males is also responsible for stimulation of hormone erythropoetin secreted from kidneys. Erythropoetin is responsible for synthesis of rbcs. So males have higher hematocrit than that of females.
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∙ 14y ago
Wiki User
∙ 13y agothis is due to 2 reasons-
1-females have a hormone estrogen-which has an inhibitory effect on erythropoetin-a hormone essential for erythropoeisis.
2- in males,the testosterone has an accelerating effect on erythropoetin..thereby increasing the rbc count slightly.
Wiki User
∙ 14y agoIt has been shown that testosterone affects the secretion of erythropoietin (EPO) by the kidney. EPO is responsible for the formation of red blood cells. Higher testosterone in males means more red blood cell formation and hence a higher hematocrit.
Wiki User
∙ 11y agodue to testosterone hormone which stimulate the production of erythropoietin which in larger amounts increases RBC production.
Wiki User
∙ 13y agoMales are generally bigger than females, and with a bigger percentage of muscle, so male bodies can hold more blood on account of being bigger.
Wiki User
∙ 12y agoa man have too much of energy and strength but his heart is less stronger while we are comparing with woman, so they have higher count.
Wiki User
∙ 9y agoThe most likely reason that male RBC counts are higher than female RBC counts is menstruation. Women of childbearing age lose a portion of their RBCs monthly.
Wiki User
∙ 14y agoIt is because a woman menstruates. Â A normal haemoglobin count for women is about 12 to 14, whereas the normal count for a man is from 14 to 16.
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Testosterone which is found in greater amounts in males stimulates the secretion of erythropoetin from the kidneys. Erythropoetin is responsible for making red blood cells and as a result, more are found in males than in females.
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I looked this up and the recent trends in smoking using graphs showed that males smoke more then females. I think....... I'm not sure. Yes. Females do smoke more.
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