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Author Question: Several different tests can be used to diagnose an infection caused by the virus of infectious ... (Read 38 times) |
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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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Medication errors are three times higher among children and infants than with adults.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.