Men tend to have a higher hematocrit number because the hormone [s] causes the kidney to...

Men tend to have a higher hematocrit number because the hormone [s] causes the kidney to produce more of the hormone [t], which in turn increases erythropoiesis.

Expert Solution

HEMATOCRIT: It is the ratio of the volume of Red Blood Cells to the Total Volume of Blood.

Normal Range: Men - 47% to 50%, Women - 42% to 45%
It depends on rate of production of Red Blood Cells and Volume of fluid in the body.
Higher the Hematocrit,more the number of Red Blood Cells and Oxygen.

Men tend to have a higher hematocrit number because the harmone TESTOSTERONE causes the kidney to produce more of the harmone ERYTHROPOIETIN, which in turn increases erythropoiesis.

Testosterone is higher in males and is primary androgen in males which has excitatory or stimulating effect on the kidney to release Erythropoietin which is the harmone responsible for the Erythropoiesis( A process for production of Red Blood Cells).Erythropoiesis increases the number of Red Blood Cells which leads to increase in Hematocrit Value.
Females have Estrogen and progesterone as their primary sex harmones where estrogen has inhibitory effect on kidney to release Erythropoietin which leads to decrease in production of Red Blood Cells which leads to decrease in Hematocrit Value

Sydney Mullin answered 2 years ago

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