+The **oral cavity**, or mouth, is the initial segment of the [digestive system](/wiki/digestive_system), a gateway for both nourishment and vocal expression. Lined with [mucosa](/wiki/mucosa), it houses structures essential for chewing and the articulation of sound.
+## See also
+- [Teeth](/wiki/teeth)
+- [Tongue](/wiki/tongue)
+- [Saliva](/wiki/saliva)
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