From front to back the lungs fill the rib cage but are separated by the heart, which lies in between them. The air that we breathe in enters the nose or mouth, flows through the throat (pharynx) and voice box (larynx) and enters the windpipe (trachea). The trachea divides into two hollow tubes called bronchi
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Answer:
From front to back the lungs fill the rib cage but are separated by the heart, which lies in between them. The air that we breathe in enters the nose or mouth, flows through the throat (pharynx) and voice box (larynx) and enters the windpipe (trachea). The trachea divides into two hollow tubes called bronchi