Compared to women, why do men typically have a higher concentration of red blood cells?
Understand the Problem
The question is asking about the physiological differences between men and women that lead to variations in red blood cell concentration. Specifically, it is asking for the primary reason why men tend to have a higher concentration. The question provides four possible explanations, and we need to identify the most accurate one based on biological principles related to red blood cell production and related factors.
Answer
Men typically have a higher concentration of red blood cells than women due to the stimulatory effect of androgens like testosterone and blood loss during menstruation in women.
Men typically have a higher concentration of red blood cells than women due to the stimulatory effect of androgens, such as testosterone, on erythropoiesis (red blood cell production). Additionally, women experience blood loss during menstruation, which can lower red blood cell counts.
Answer for screen readers
Men typically have a higher concentration of red blood cells than women due to the stimulatory effect of androgens, such as testosterone, on erythropoiesis (red blood cell production). Additionally, women experience blood loss during menstruation, which can lower red blood cell counts.
More Information
Erythropoiesis is the process by which red blood cells are produced. This process primarily occurs in the bone marrow and is regulated by erythropoietin, a hormone produced by the kidneys.
Tips
A common mistake is to only consider a single factor, such as testosterone, without acknowledging the impact of menstruation on red blood cell levels in women.
Sources
- The sex difference in haemoglobin levels in adults - PubMed - pubmed.ncbi.nlm.nih.gov
- Explain why males have general higher hematocrit, RBC count, and ... - homework.study.com
- Why do men have a higher hematocrit (red blood cell count) than ... - biology.stackexchange.com
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