Musculoskeletal system
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Which different parts allow your body to move?
-Muscles -Tendons -Ligaments -Bones -Joints
What are muscles?
-A string of muscle cells called muscle fibres
What are the functions of bones?
-They provide support and form the shape of the body
How many bones are in the human body?
206
What is cartilage?
-Stiff and flexible substance found between bones in joints -Found between the vertebrae and spinal column
What are tendons?
-They attach muscle to bone -When muscles contract (To become shorter), they pull on the bone to move it
What are ligaments?
-Strong tissue that holds two bones together in a joint
Rickets
-A disease in children -Caused by a lack of vitamin D and Calcium -Bones bend and can become deformed -Eating dairy can help
Arthiritis
-Caused when cartilage covering the ends of bones at joints breaks down and becomes very thin -Joints swell and become stiff, and sore -Joints can become deformed
Osteoporosis
-When people get older, they lose a lot of protein and calcium -This causes the bones to become spongy and very fragile