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How Much Do You Know About Your Bones? Skeleton Quiz

  • 🫀 Body & Health
  • 25 questions
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How Much Do You Know About Your Bones? Skeleton Quiz

About this quiz

Skeleton and bones quiz: 25 questions about your skeleton, from the longest bone to the bones babies are born without. 🦴

Do babies have more bones than adults? Which bone isn't connected to any other bone? How many neck bones does a giraffe have? Find out in this bone-rattling quiz. Great for family quiz nights, road trips and classrooms.

❓ IN THIS QUIZ

  • Who has more bones: a newborn baby or an adult?
  • One bone isn't joined to any other bone. Where is it?
  • What happens to astronauts' bones in space?
  • How many neck bones does a giraffe have?

💬 How many did you get right? Tell us your score in the comments. Have you ever broken a bone?

How to play

  1. Read the question and look at the pictures.
  2. Pick your answer before the timer runs out (or switch the timer off).
  3. See if you were right and read the fun fact.
Answers and fun facts (spoilers!)
  1. Who has more bones: a newborn baby or an adult?
    A baby
    Babies have about 270 bones! Some fuse together as you grow, leaving about 206.
  2. How many bones does an adult usually have?
    206
    An adult skeleton has about 206 bones.
  3. Where is the longest and strongest bone in your body?
    Thigh
    Your thigh bone, the femur, is the longest and strongest bone in your body!
  4. Where are more than half of all your bones?
    Hands and feet
    Your hands and feet hold 106 of your 206 bones, more than half!
  5. How many bones are in one hand?
    27
    Each hand has 27 bones, which is why your fingers can do such delicate work!
  6. Which bones are still soft cartilage when babies are born?
    Kneecaps
    Babies' kneecaps are soft cartilage and only start turning to bone around age 3!
  7. One bone isn't joined to any other bone. Where is it?
    Throat
    The hyoid bone in your throat isn't joined to any other bone, and it helps you swallow and speak!
  8. Which bones protect your brain?
    Skull
    Your skull is a tough helmet made of bones joined like puzzle pieces!
  9. What does your rib cage protect?
    Heart and lungs
    Your rib cage is a bony shield around your heart and lungs!
  10. How many pairs of ribs do most people have?
    12 pairs
    Most people have 12 pairs of ribs, 24 ribs in total!
  11. What are the bones in your spine called?
    Vertebrae
    Your spine is made of 33 vertebrae, and some at the bottom are fused together!
  12. When you hit your funny bone, what are you actually hitting?
    A nerve
    The 'funny bone' is really the ulnar nerve. Bump it and you get that zingy tingle!
  13. Are your bones alive?
    Yes, they grow & heal
    Bones are alive! Adults rebuild about 10% of their skeleton every year.
  14. Where are your blood cells made?
    Bone marrow
    Red bone marrow makes about 2.4 million new red blood cells every second!
  15. What kind of joint is your hip?
    Ball and socket
    Your hip is a ball-and-socket joint, so your leg can swing in almost any direction!
  16. What joins your muscles to your bones?
    Tendons
    Tendons are tough cords that join muscles to bones, so your bones move when muscles pull!
  17. What holds your bones together at the joints?
    Ligaments
    Ligaments are strong bands that hold bones together at your joints.
  18. Which mineral makes your bones hard?
    Calcium
    About 99% of your body's calcium is stored in your bones and teeth!
  19. What is the tip of your nose made of?
    Cartilage
    The tip of your nose and your ears are made of cartilage, firm but bendy!
  20. How many bones make up your skull?
    22
    Your skull has 22 bones, and only your jawbone can move!
  21. What is a baby's soft spot on the head?
    Gaps between bones
    Babies have soft spots where the skull bones haven't joined yet, so the head can grow!
  22. What is the little bone at the bottom of your spine called?
    Tailbone
    Your tailbone, or coccyx, is made of a few tiny vertebrae fused together.
  23. What happens to astronauts' bones in space?
    They get weaker
    Without gravity, astronauts lose more than 1% of their bone mass every month in space!
  24. Which animal has a skeleton made of cartilage instead of bone?
    Shark
    A shark's skeleton is made of cartilage, the same bendy stuff as your nose and ears!
  25. Final question! How many neck bones does a giraffe have?
    7, same as you
    A giraffe has 7 neck bones, exactly the same as you! Each one is just much, much longer.