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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
Did you know?
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.