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Did you know?
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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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.