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Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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The human body produces and destroys 15 million blood cells every second.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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Video: ATPase function - membrane transport, contractile proteins and synthesis

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