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the structures and organs that help move oxygen into the body and waste gases out of the body
the organ that acts like a filter for the blood; removing excess water, salts, and other waste
a system that moves nutrients and oxygen through your body and removes waste products
body system that provides a protective covering for the body, helps control temperature, and helps provide Vitamin D
grapelike clusters of air sacs at the end of each bronchiole where gases are exchanged in and out of the blood
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