By this reading Dr could tell RBC is up due to training and this increases oxygen carrying in blood.
Red blood cells, also called erythrocytes or erythroid cells are the most common type of blood cell and the main vehicle in vertebrates to deliver oxygen to the tissues of the body - through the bloodstream through the circulatory system. .
Red blood cells contain a protein called haemoglobin, which carries oxygen from the lungs to all parts of the body. Checking your red blood cell count is usually part of a complete blood count .
The normal range for adults is .35 to 5.65 million red blood cells per microliter (mcl) for men and 3.92 to 5.13 million red blood cells per microliter of blood for women.
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