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Skeletal system: Difference between revisions
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→Endoskeleton
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== Endoskeleton == | == Endoskeleton == | ||
In vertebrates, the endoskeleton is sturdy internal frame that is centered on a prominent spine (vertebral column). Most skeletal systems consists of [[bones]], [[cartilage]], [[ligaments]] and [[tendons]] and accounts for of the body weight (about 20 percent in humans). The living bones use [[oxygen]] and give off waste products in [[metabolism]]. They contain active tissues that consume [[nutrients]], require a [[blood]] supply and change shape or remodel in response to variations in mechanical stress.[http://training.seer.cancer.gov/module_anatomy/unit3_1_bone_functions.html] | In vertebrates, the endoskeleton is sturdy internal frame that is centered on a prominent spine (vertebral column). Most skeletal systems consists of [[bones]], [[cartilage]], [[ligaments]] and [[tendons]] and accounts for a significant portion of the body weight (about 20 percent in humans). The living bones use [[oxygen]] and give off waste products in [[metabolism]]. They contain active tissues that consume [[nutrients]], require a [[blood]] supply and change shape or remodel in response to variations in mechanical stress.[http://training.seer.cancer.gov/module_anatomy/unit3_1_bone_functions.html] | ||
=== Main Groups === | === Main Groups === | ||
