Red blood cells
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medium difficulty
medium difficulty
Have you had a blood test and notice low hematocrit levels or a low red blood cell count? Don't know what this means or how to fix it? Although it may be a symptom of a mild condition, the fact is that you must go to your doctor to check that all is well and to find the specific cause of the decline of...

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Hematocrit is the percentage of blood volume that is composed of red blood cells. This level differs in men and women: it should be at around 45% of blood for men and 40% women. Increased blood hematocrit levels involve the risk of thrombosis due to the accumulation of red blood cells, so you run the...

Why is blood red? It seems an obvious question, but answering it helps us understand how the human body works. It is because of red blood cells (RBCs), but then you might ask why are red blood cells red? The protein haemoglobin carries oxygen around the body by binding it to iron molecules. When this process...
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