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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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Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.