Skeletons
The spinal column contains many smaller bones called vertebrae.

Skeletons

This KS2 Science quiz is all about skeletons - the frameworks of bones in humans and other vertebrates which support and protect our bodies and allow us to move.

Did you know that you had more bones when you were born than you have now? The skeletons of human babies have about 300 bones, but these soon fuse together as the baby grows and a human adult has only 206. This framework of bones supports our bodies - imagine if we had no skeleton, we'd be like bags of water! Our bones also allow us to move (think of the arm and leg bones) as well as protecting our organs. The skull is like a helmet which surrounds our brain, protecting it from knocks, and the breastbone and ribs form a protective cage around our heart and our lungs.

See how many of these interesting facts you know by challenging yourself with this quiz on skeletons - our internal support framework.

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  1. What is another name for the clavicle?
    The shoulder blade is also known as the scapula
  2. Which part of the human skeleton protects the heart?
    Another name for the sternum is the breastbone
  3. What is an exoskeleton?
    Humans and other mammals have an endoskeleton - an internal skeleton. An exoskeleton is the opposite - an external skeleton. Animals such as spiders, insects, crabs and lobsters have exoskeletons
  4. Which organ does the cranium protect?
    The cranium is another name for the skull
  5. What is the function of the skeleton?
    The skeleton protects vital organs, supports the body and allows it to move
  6. What is an invertebrate?
    An invertebrate is an animal without a spine while a vertebrate has a spine
  7. Skeletons aid movement in animals, but they can't move on their own. What else is needed?
    Joints allow the skeleton to bend while muscles provide the power to move
  8. Which of the following statements is not true?
    Your skeleton grows just as the rest of your body does - can you imagine what would happen if a baby's bones never grew?
  9. What does the spinal column contain?
    Vertebrae is a plural. One of them is called a vertebra
  10. Which device allows us to see bones inside a living animal?
    If a doctor thinks you may have a broken bone you might have to have an X-ray

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