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¡Qué duro es esto! Todo sobre los huesos

Informational (nonfiction) 1,893 words, Level W (Grade 4), Lexile 980L
Multilevel Book also available in levels R and U.
What do humans have in common with snakes, elephants, and whales? A skeleton! The numbers of bones may vary, but the purpose is the same-to support and protect all of the organs inside the body. Photographs, illustrations, X-rays, and detailed diagrams of various bones help readers make meaningful connections with the text. Book and lesson also available at Levels R and U.

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