two spongy bags in the chest cavity
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The lungs are two football-sized spongy bags filled with millions of smaller recesses, where oxygen enters the blood and carbon dioxide leaves the blood. The lungs fill the chest cavity between the neck and the bottom of the rib cage. The lungs contain no muscles and are not able to expand and contract on their own.
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Answer:
two spongy bags in the chest cavity
Explanation:
Named Lungs
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