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calcium and phosphorus
Two mineral substances necessary for proper development of bones are (spelling)
Smooth cartilage that surrounds the surface of bones at joints is _____.(spelling)
an inherited condition in which bones of the arms and legs fail to grow normally because of a defect in cartilage and bone formation
chronic, progressive arthritis with stiffening joints, especially of the spine
abnormal swelling of a metatarsophalangeal joint (joint between the big toe and first metatarsal)
chronic joint disease with inflamed and painful joints; marked by swollen and thickened synovial membranes
systemic lupus erythematosus
chronic inflammatory disease affecting skin (red rash on the face), kidneys, heart, and lungs as well as joints
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