Respiratory System Jigsaw Puzzle
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The respiratory system is the combination of tissues and organs that helps us breathe. It includes airways, lungs and vessels, muscles. They all work together to move oxygen throughout the body and help clean waste gases like carbon dioxide. The chain of respiration includes the nose, pharynx, larynx, trachea, bronchi, and lungs. It helps to deliver oxygen to the body cells. To know more, solve this jigsaw puzzle.
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