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Your Body Battles a Skinned Knee
Your Body Battles a Skinned Knee
Author: Vicki Cobb
Ouch! You know that a skinned knee hurts. But did you know that it's the start of a battle? Your body has to work quickly to protect you from a germ invasion. Nerve cells sound an alarm that you're hurt. Blood cells rush in to fight germs that come in through the scrape. And skin cells make brand-new skin for your knee. Before you know it, your ...  more »
ISBN-13: 9780822568148
ISBN-10: 0822568144
Pages: 32
Reading Level: Ages 9-12
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Publisher: Millbrook Press
Book Type: Library Binding
Other Versions: Paperback
Members Wishing: 0
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