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