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Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Tea Party Tea Party
This map shows the percentage of Protestants by state in Germany. When compared to the previous map This map shows the percentage of Protestants by state in Germany. When compared to the previous map
A 1789 engraving of the Boston Tea Party by W. D. Cooper. A 1789 engraving of the Boston Tea Party by W. D. Cooper.
Rocking out, baby style: The author’s daughter dances at her first birthday party.    Rocking out, baby style: The author’s daughter dances at her first birthday party.   
How The Two-Party Presidential Vote is Split How The Two-Party Presidential Vote is Split
Kids Birthday Party Kids Birthday Party
Video: Fermentation - When Oxygen Is Absent, Pyruvate to Lactate & Pyruvate to Ethanol

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