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Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

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

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Your heart beats over 36 million times a year.

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Video: Enzyme-Catalyzed Reactions

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