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1.1.a. The structure and function of the skeletal system GapFill

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The skeletal system plays several important roles in the functioning of the human body. The structure of the human skeleton provides support for the body, which would otherwise struggle to remain upright during routine daily activity. The ability to remain upright leads to a further function of the skeleton in maintaining   postureperformanceimageprotection.

Movement is enabled when working alongside the  cardiovasculargasfitnessmuscular system. Bones act as levers and provide a location for   blood cellsbursaemusclesbones to attach via tendons, causing movement at the  synovial jointjoint capsulecartilagelong bone upon contraction. Different joint types allow for a range of movements, with  aerobicelbowball and sockethinge joints providing a greater range than  rotationalball and sockethingeaerobic joints.

The skeletal system is responsible for the   storageshapehealthprotection of key minerals (e.g. calcium and phosphorus), which have many important roles in the healthy functioning of the human body.

Skeletal structures, such as the cranium surrounding the brain and the  ribsulnatalushumerus surrounding the heart and lungs, play an important role in the  healthproductionpostureprotection of vital organs. Bone marrow found in long bones, such as the humerus in the upper arm and the  tibiafemurtarsalclavicle in the thigh, is responsible for the  shapehealthprotectionproduction of blood cells – specifically,  whitedarkbluered blood cells, which carry oxygen to the exercising muscles during aerobic respiration, and  pathogenicpaleredwhite blood cells for the immune response to infection and disease.

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