Human Body Quiz for Kids

Human Body Quiz Questions

  1. If veins are blood vessels that carry blood towards the heart, what are the name of the blood vessels that carry blood away from the heart?
  2. Every adult has 206 of them - 206 what?
  3. How many lungs do we have?
  4. How many times does your heart beat every day? Is it: (a)1,000 times, (b)10,000 times, or (c)100,000 times?
  5. The adult male body is composed of 60% of what liquid?
  6. Can you name the largest bone in your body?
  7. What is the largest internal organ of the body?
  8. Blood has four main types - A, B, and AB are three of those types, can you name the fourth missing one?
  9. How many teeth should adults have?
  10. What muscle are you flexing in the front of your upper arm if you're showing off your muscles?
  11. The stapes is the smallest bone in the human body - where in the body is it?
  12. What is the name of the black hole located in the center of the eye?
  13. The name of the lump at the front of an adult man's neck sounds like a fruit, what is it?
  14. Which three initials are an abbreviation for the substance that carries genetic information in the cells of plants and animals?
  15. What do we call the bundle of fibers that send messages from the brain to other parts of the body?
  16. What do we call the bones in the chest that support and protect the lungs?
  17. True or false? Your thumb is the same length as your nose?
  18. Look at your hand - can you count how many (digital) bones are in the fingers and thumb of each hand? Digital bones are also called phalanges.
  19. Can you name the only muscle in the human body that is attached at just one end?
  20. The thyroid gland is in which part of the body?
  21. Feet can smell bad because there trillions of what on each foot?
  22. What are the name of the thousands of sensory organs found on your tongue that allow you to experience tastes?


  1. Arteries
  2. Bones
  3. Two - a right lung, and a left lung
  4. 100,000 times every day
  5. Water
  6. Femur or thighbone
  7. The liver (did you know the the skin is actually the largest organ of the body, but it's not internal!)
  8. Adults have 32 teeth (young children have 20 teeth)
  9. O is the fourth blood type
  10. Bicep
  11. In the ear
  12. Pupil
  13. Adam's apple
  14. DNA (which stands for deoxyribonucleic acid)
  15. Nerves
  16. Ribs
  17. True
  18. 14 (3 in each finger and 2 in the thumb)
  19. The tongue
  20. Neck
  21. Bacteria
  22. Taste buds