The Student News Site of University of Arizona

The Daily Wildcat

86° Tucson, AZ

The Daily Wildcat

The Daily Wildcat

 

    Fast Facts: Jan. 21

    • Of all the oxygen that a human breathes, only twenty percent goes to the brain.
    • From the age of thirty, humans gradually begin to shrink in size.
    • Gases that build up in your large intestine cause flatulence. It usually takes about 30 to 45 minutes for these gases to pass through your system.
    • Hair and fingernails are both made from the same substance, keratin.
    • Humans inhale and exhale approximately one liter of air in ten seconds.

       

    More to Discover
    Activate Search