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Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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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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There are more bacteria in your mouth than there are people in the world.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.