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  • The longest a person has gone without sleep is _______ days.
    10
  • Popcorn can pop up to ______ feet into the air.
    3
  • Horned lizards squirt _______ from their eyes to defend themselves.
    Blood
  • Only female bees can _________
    Sting
  • An ostrich's __________ is bigger than its brain.
    Eye
  • A tiger's ________ are different on the left and right sides of its body.
    Stripes
  • Apes __________ when they are tickled.
    Laugh
  • Some butterflies' ears are on their ____________.
    Wings
  • It is impossible to sneeze with your _________ open.
    Eyes
  • The distance between your elbow and your wrist is the same length as your _______.
    Foot
  • A cockroach can live for over a week without a ___________.
    Head
  • Dalmatians are born without ___________.
    spots
  • The largest pencil is about as long as ____________ crocodiles.
    7
  • Eating _______ can turn white flamingos to pink.
    Shrimp
  • Air around a lightning strike is ______ times hotter than the sun.
    5
  • Flies taste with their _______
    Legs
  • Elephants are the only mammals that can not _________.
    jump
  • A dog can make about _________ different facial expressions.
    100
  • Lions spend about 20 hours a day __________.
    Resting/sleeping
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