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blood [2021/03/18 05:29] aga |
blood [2021/08/04 05:21] aga |
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==== Oxygen is transported by erythrocytes ==== | ==== Oxygen is transported by erythrocytes ==== | ||
- | Oxygen in human blood is transported mainly by erythrocytes. In combination with hemoglobin, it forms oxygenated (not oxidized, there is no oxidation reaction between iron and oxygen) hemoglobin | + | Oxygen in human blood is transported mainly by erythrocytes. In combination with hemoglobin, it forms oxygenated (not oxidized, there is no oxidation reaction between iron and oxygen) hemoglobin |
==== The Rh system ==== | ==== The Rh system ==== | ||
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==== The rarest blood type ==== | ==== The rarest blood type ==== | ||
- | AB is the rarest of the AB0 system groups, and Rh- is always less numerous than Rh+. In western Europe, only 1% of the population has AB- blood. In the far east, Rh- is very rare, so in Japan, only 0.05% of people have AB- blood. [([[https:// | + | AB is the rarest of the AB0 system groups, and Rh- is always less numerous than Rh+. In western Europe, only 1 percent |
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