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NCERT VI Social Sciences Answer the following: (a) What is a ball and socket joint? (b) Which of the skull bones are movable? (c) Why can our elbow not move backwards? |
| Answer» BALL and socket JOINT is a moveable joint . ex: shoulder..B. only with the help of lower jaw in skull bones in movable.C. HINGE JOINTS WHICH ARE ALLOWS movement BACK and front . so, we cannot move our elbow backword... | |