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Human Body Quiz #840

#840 · 10 questionsArchive: not ranked
How to play
  • Press Start for the first of ten questions. The clock starts with it and stops at your last answer.
  • Each question asks about bones, muscles, organs, the senses or cells.
  • Tap an answer, or press 1 to 4 (or A to D) on a keyboard. Answers are final: you see the right one and a one-line explanation, then press Next.
  • Most correct answers ranks first, then the fastest time. Only a member’s first finished quiz of the day counts for the leaderboard.

Human Body Quiz #840 is the quiz from Tuesday, October 20, 2026 (10 questions). Archive quizzes count toward your statistics, not your streak or the leaderboard.

Archive games count toward your statistics, not your streak or the leaderboards.

About Human Body Quiz #840

Human Body Quiz #840 was the quiz for Tuesday, October 20, 2026: 10 questions: 3 easy, 5 medium and 2 hard. Everyone who played Human Body Quiz that day got the same quiz, and it stays here to play for 60 days.

The questions of Human Body Quiz #840

  1. Which body system includes the brain, spinal cord and nerves?
  2. What is the thin skin inside the ear that vibrates with sound?
  3. Which organs take in oxygen and remove carbon dioxide?
  4. About what fraction of an adult's body weight is water?
  5. Are fingerprints different even for identical twins?
  6. Who first described the double-helix shape of DNA in 1953?
  7. Who discovered X-rays in 1895?
  8. What is the clear front covering of the eye called?
  9. Which muscle covers the shoulder?
  10. Which strong acid does the stomach make?

The answer options and the answers appear only when you play the quiz, one question at a time.

New to Human Body Quiz? The rules, tips and common questions are on the Human Body Quiz page.

Other days of Human Body Quiz

Every day of the last 60 is in the puzzle archive.

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