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Did you know?

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

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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Medication errors are three times higher among children and infants than with adults.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Blood Glucose Levels Blood Glucose Levels
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In the retina, there are two types of light receptor cells: Rods are sensitive to differences in lig In the retina, there are two types of light receptor cells: Rods are sensitive to differences in lig
Video: Structure of a Ribosome

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