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hinge joint- A joint, such as the elbow, in which a convex part of one bone fits into a concave part of another, allowing motion in only one. ball & socket joint- a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone pivot joint- a freely moving joint in which movement is limited to rotation; the articulation of the radius and ulna in the arm is a pivot joint cartilage- an elastic tissue that is converted to bone as an adult
Skeletal System ****Cartiliage is a tough, strechy (elastic) tissue that is converted to bone as an adult. There are three major joints our bones have: ball & socket, hinge and pivot joints. The function and structure of our bones is to support, protect, allow movement, mineral & growth factor storage and blood cell information. Without bones, we would not be able to stand, walk or sit up right without our skin being very floppy.****
This is what the skeletal system looks like without our skin.
