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It seems there might be a typo in your question. If you meant "diaphragm," it is a dome-shaped muscle located at the base of the thoracic cavity that plays a crucial role in respiration. During inhalation, the diaphragm contracts and moves downward, expanding the chest cavity and allowing air to flow into the lungs. Conversely, during exhalation, it relaxes and moves upward, helping to expel air from the lungs.
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