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The joint

by Jashua Chaicoj

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Joints of the Human Body
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fibrous





cartilaginous





synovial
The synarthrosis is restricted so its immovable either by an overlap or interlock while  the amphiarthrosis is slightly moveable being held tight by ligaments, and diarthrosis is freely moveable such as the knees, shoulders, and hips.
The synarthrosis- skull, teeth






 The amphiarthrosis- Spine, hip bone/femur






The diarthrosis- knees, shoulders, and hips.
Osteoarthritis and rheumatoid arthritis

Osteoarthritis causes cartilage to break down.

Rheumatoid arthritis is a disease in which the immune system attacks the joints, beginning with the lining of joints.
Interesting facts about the joints
They connect muscle to the bone
The Cartilage covers the bone surface and keeps the bones from rubbing directly against each other
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