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The Ribs (Grades 3 to 5) |
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| Flesch-Kincaid grade level: | 5.07 |
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The Ribs
By Jennifer Kenny |
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1 Your heart and lungs are your life-support system. Therefore, they require some special protection. The ribs, a bony framework, offer that protection. The ribs also protect part of the kidneys, liver, spleen, and stomach.