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Did you know?

The FDA recognizes 118 routes of administration.

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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.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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

Cells involved in specific immunity in vertebrates. Cells involved in specific immunity in vertebrates.
Embryonic Stem Cells Embryonic Stem Cells
Red cells have a biconcave shape. Red cells have a biconcave shape.
Contrasting eukaryotic and prokaryotic cells in size and complexity Contrasting eukaryotic and prokaryotic cells in size and complexity
Red Blood Cells Red Blood Cells
Spermatogenesis and oogenesis in animal cells Spermatogenesis and oogenesis in animal cells
Video: Acid-base imbalances - compensation of metabolic acidosis and alkalosis

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