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What does your skeleton do?Your skeleton helps you leap, somersault, and touch your toes?without it, you would be as floppy as a beanbag! There are over 200 bones living and growing inside you that make up your skeleton. There are also ligaments and joints that hold your bones together, and cartilage in your bendable parts like your ears and your nose. Learn all about what a skeleton can do?because this isn't some make-believe Halloween skeleton, this is the real skeleton inside you.

Winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series

Winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science SeriesHow are you feeling?Most of the time you feel fine, but sometimes you get sick. Sometimes a germ catches up with you.Germs are all around you, but they are too small for you to see. Many germs are harmless, but two kinds, viruses and bacteria, can make you sick. Read and find out about germs, how they can make you sick, and how your body works to fight them off and keep you healthy.