Answer:

step by step explaination

Explanation:

Males have greater red blood cell and hemoglobin concentrations than females, therefore a higher blood oxygen carrying capacity

Answer:

The sex difference in mean venous haemoglobin levels and red cell mass is generally considered to be caused by a direct stimulatory effect of androgen in men in the bone marrow in association with erythropoietin, a stimulatory effect of androgen on erythropoietin production in the kidney, and an inhibitory effect

Explanation:

Males have greater red blood cell and hemoglobin concentrations than females, therefore a higher blood oxygen carrying capacity (Cureton et al., 1986; Murphy, 2014) .

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