+The **diaphragm** is a vital sheet of [Muscle](/wiki/muscle) that separates the thoracic and abdominal cavities. It is essential for [Respiration](/wiki/respiration), contracting to draw air into the lungs.
+## See also
+- [Anatomy](/wiki/anatomy)
+- [Breathing](/wiki/breathing)
+- [Thorax](/wiki/thorax)
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