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BookmarkIn biology, the skeleton or skeletal system is the biological system providing physical support in living organisms.
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Skeletal systems are commonly divided into three types - external (an exoskeleton), internal (an endoskeleton), and fluid based (a hydrostatic skeleton), although hydrostatic skeletal systems may be classified separately from the other two, since they lack hardened support structures..
For more information about the topic Skeleton, read the full article at Wikipedia.org, or see the following related articles:
Exoskeleton — An exoskeleton, in contrast to an endoskeleton, is an external anatomical feature that supports and protects an animal's body. All arthropods (such ... > read more
Bone — Bone, also called osseous tissue is a type of hard endoskeletal connective tissue found in many vertebrate animals. Bones support body structures, ... > read more
Animal shell — A shell is a hard, rigid outer layer, which has evolved in a very wide variety of different animals, including mollusks, sea urchins, crustaceans, ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Skeleton at Wikipedia.org. See the Wikipedia copyright page for more details.
