There are 20 feet of blood vessels in each square inch of human skin.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
The human oxygen-hemoglobin dissociation curve.
Four Arch Curve
Attention and memory are in demand during circle time.
Shippers Declaration for Dangerous Goods
The Radioactive Decay Curve
A bell-shaped, or “normal,” curve shows the distribution of phenotypes for traits controlled by ...