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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

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Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Gram stain of S. aureus cells Gram stain of S. aureus cells
Why Cells Are Small 1 Why Cells Are Small 1
Humans have 23 pairs of chromosomes, containing 3 billion “letters” in the DNA code and about ... Humans have 23 pairs of chromosomes, containing 3 billion “letters” in the DNA code and about ...
The Main Macromolecules in Cells The Main Macromolecules in Cells
A reciprocal translocation involving the long arms of chromosomes A reciprocal translocation involving the long arms of chromosomes
Find an equation of the tangent line to the graph of f(x) = sqrt(x) / (x+1) at the point x=1 Find an equation of the tangent line to the graph of f(x) = sqrt(x) / (x+1) at the point x=1
Video: Stress and Immune System Animation

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