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Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
Did you know?
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.