Ouch! You know that a skinned knee hurts. But did you know that its the start of a battle? Your body has to work quickly to protect you from a germ invasion. Nerve cells sound an alarm that youre 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 cells have won the battle and youre as good as new. Get a close look at this body battle with comic illustrations and ground-breaking photomicrographs. The photomicrographs magnify the ...
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Ouch! You know that a skinned knee hurts. But did you know that its the start of a battle? Your body has to work quickly to protect you from a germ invasion. Nerve cells sound an alarm that youre 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 cells have won the battle and youre as good as new. Get a close look at this body battle with comic illustrations and ground-breaking photomicrographs. The photomicrographs magnify the actual cellular processes tens of thousands of times, offering you a front-row seat for all the action.
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Seller's Description:
Fair. This is a former library book with stickers, inserts and markings. May have some shelf-wear due to normal use. Your purchase funds free job training and education in the greater Seattle area. Thank you for supporting Goodwill's nonprofit mission!
