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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.