About Human Body Quiz #843
Human Body Quiz #843 was the quiz for Friday, October 23, 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 #843
- What is normal human body temperature in degrees Celsius?
- Which is the longest bone in the human body?
- Which body system includes the heart and blood vessels?
- What does DNA stand for?
- Which instrument did René Laennec invent in 1816 to listen to the heart?
- Which muscles run down the back of the thigh?
- Which blood vessels carry blood back to the heart?
- Which sharp, pointed teeth are named after dogs?
- Which lung is slightly smaller, to make room for the heart?
- Which body system is made of glands that release hormones?
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
- Human Body Quiz #846, Oct 26
- Human Body Quiz #845, Oct 25
- Human Body Quiz #844, Oct 24
- Human Body Quiz #842, Oct 22
- Human Body Quiz #841, Oct 21
- Human Body Quiz #840, Oct 20
- Today’s quiz, #851
Every day of the last 60 is in the puzzle archive.