Skeleton Movement and Locomotion

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The four main functions are support and shape, protection, movement, and leverage. The skeleton gives the body framework, protects delicate organs, helps movement with muscles, and acts as a system of…

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The skeleton provides a support or framework to all the soft parts and gives the body and its parts a definite shape. It keeps the body firm and gives form to structures like the fingers, legs, and ch…

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Several delicate and important organs are well protected by a casing of bones. The skull protects the brain, the vertebral column protects the spinal cord, and the ribs protect the heart and lungs.

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Many bones are joined to each other so that one bone can be moved on another. Muscles pull on bones, and these actions produce movement of body parts.

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Leverage is the use of bones and joints as levers to increase the speed and distance of movement by muscles. A small muscle contraction can produce a much larger movement of a limb.

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Certain types of blood cells, including red and white blood cells, are formed in the tissue of the central hollow space or the marrow of some long bones. This makes bone marrow important for blood cel…

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Bones are a storehouse of calcium and phosphorus for the rest of the body. These minerals help in the strength and proper working of the body.

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The skeleton consists of bones, cartilages, and ligaments. Cartilage supports and connects parts like the ear and nose tip, while ligaments bind bones together.