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2. Effects of high altitude on humans - Wikipedia

   en.wikipedia.org/wiki/Effects_of_high_altitude...

   The effects of high altitude on humans are mostly the consequences of reduced partial pressure of oxygen in the atmosphere. The medical problems that are direct consequence of high altitude are caused by the low inspired partial pressure of oxygen, which is caused by the reduced atmospheric pressure, and the constant gas fraction of oxygen in ...

3. Woman - Wikipedia

   en.wikipedia.org/wiki/Woman

   Women have lower hematocrit (the volume percentage of red blood cells in blood) than men; this is due to lower testosterone, which stimulates the production of erythropoietin by the kidney. The normal hematocrit level for a woman is 36% to 48% (for men, 41% to 50%).

4. Obstetrics - Wikipedia

   en.wikipedia.org/wiki/Obstetrics

   The cause of hyperemesis gravidarum is not known. However, it is believed to be caused by a rapidly rising blood level of a hormone, human chorionic gonadotropin (HCG), which is released by the placenta. Preeclampsia is a condition that causes high blood pressure during pregnancy.

5. Anemia - Wikipedia

   en.wikipedia.org/wiki/Anemia

   Anemia (also spelled anaemia in British English) is a blood disorder in which the blood has a reduced ability to carry oxygen.This can be due to a lower than normal number of red blood cells, a reduction in the amount of hemoglobin available for oxygen transport, or abnormalities in hemoglobin that impair its function.

6. Lymphocytosis - Wikipedia

   en.wikipedia.org/wiki/Lymphocytosis

   Lymphocytosis is an increase in the number or proportion of lymphocytes in the blood.Absolute lymphocytosis is the condition where there is an increase in the lymphocyte count beyond the normal range while relative lymphocytosis refers to the condition where the proportion of lymphocytes relative to white blood cell count is above the normal range.

7. Sex differences in human physiology - Wikipedia

   en.wikipedia.org/wiki/Sex_differences_in_human...

   They also have larger hearts, [38] 10% higher red blood cell count, and higher haemoglobin hence greater oxygen-carrying capacity. [39] [40] They have higher circulating clotting factors (vitamin K, prothrombin and platelets). These differences lead to faster clotting of blood and higher peripheral pain tolerance. [41]