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Human Skeleton and muscles

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  • What bone structure protects the heart and lungs?
    Rib cage
  • How do muscles help us to move?
  • What are the three main functions of the skeleton?
    Protect the organs, structure, movement
  • What are the two bones in the lower arm called?
    Radius, ulna
  • Muscles work in ...
    pairs
  • True or false: When a muscle contracts, it gets longer
    False
  • What organ does the skull protect?
    Brain
  • What is the strongest bone in the human body?
    Femur
  • Where is the femur located?
    Upper leg
  • Approximately how many bones is a baby born with?
    300
  • When one muscle relaxes, the other ...
    contracts
  • How many bones are in an adult human body?
    206
  • Why do babies have more bones than adults?
    Babies bones are softer, as they harden they join together