Human body quiz: how much do you know?

Each round has 10 questions, picked at random. When you play again, you get different questions.

  • How many bones does an adult have?
  • What is the largest organ of the body?
  • What makes farts stinky?
  • What are boogers made of?
  • Which part of the brain keeps you from falling over?
  • What causes smelly feet?

There are 324 questions you haven’t seen yet.