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What is an organ?
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The body's organs are parts that do one (or more) special job. The heart, lungs, stomach, and brain are all important organs. Groups of organs work together as a system. The nose, throat, windpipe, and lungs make up the respiratory, or breathing system. | | The human kidney |
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Previous:
Back
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Book:
1001
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Section:
Human World
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Chapter:
Human Body: Organs
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