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Musculoskeletal System (Movement (Cartilage provide smooth surface between…
Musculoskeletal System
Function
Supports and holds the structure of the body, allow movements and protect internal organs
Parts
Tendons, bones, muscles, tissues,
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Movement
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Nervous system (motor nerves) send signals to the muscles to contract which would move the bones attached to it
Muscles can only contract and not extend, so they must work in pairs
4 Types of Tissues
Bones
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Bone canals inside contain nerves and blood cells, only small percent of the one is actually living
Cartilage
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Made of collagen fibre, provides a strong, flexible, low friction support
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Muscles
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Proteins inside the muscle fibres cause the muscle to contract when received signal form the motor nerves.
Injury
Can physically damage muscles, bones, cartilage
Osteoporosis- Loss of bone mass making it weak, can happen in people of any age usually more common in females
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