2nd Graders Should Be Able To Pass This QUIZ But Most Adults Can’t!

Do you know how many sets of teeth a human grows in one lifetime?

Retry Correct Incorrect The answer is 2. You first have your baby teeth that eventually come out. Then you grow in your adult teeth. Don’t lose those because they’re the last line.

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Justin Sullivan/Getty Images

Justin Sullivan/Getty Images

Do you know how many sets of teeth a human grows in one lifetime?

• 4
• 2
• 1
• 3