+An **exoskeleton** is an external, rigid covering that supports and protects an [Animal](/wiki/animal) body. Unlike an internal [Skeleton](/wiki/skeleton), this outer casing provides structure and defense for many invertebrates, including insects and crustaceans.
+## See also
+- [Arthropod](/wiki/arthropod)
+- [Molt](/wiki/molt)
+- [Chitin](/wiki/chitin)
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