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Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Leaf structure and its relationship to the C4 cycle Leaf structure and its relationship to the C4 cycle
Evolutionary shift in plant life cycle stage dominance. Evolutionary shift in plant life cycle stage dominance.
Meiosis Accounts for Independent Assortment of Alleles Meiosis Accounts for Independent Assortment of Alleles
Rotation Rotation–Moving a body part around a central axis. Rotation Rotation–Moving a body part around a central axis.
Plant cycle Plant cycle
Example of a chart of accounts. Example of a chart of accounts.
Video: Appendicitis Animation

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