What is a rib cage? State the functions of rib cage.
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rib cage is a set of bones which provides protection to the lungs and heart
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Ribs join along with the chest bone and the backbone together to form a box. This cage-like structure is called the rib cage.
The Rib cage protects the heart and lungs. The intercostal muscles in the rib cage also help in respiration by contracting and relaxing(the rib cage moves up and down when you breathe).
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