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?
Answers
Answered by
10
A. a 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...
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...
Answered by
4
(a)ANS
A ball and socket joint are the movable joints
(b)the lower part of the skull i.e.,(chin) only movable
(c) with the help of hinge joint we are able to move oue hand up and down but not backward
A ball and socket joint are the movable joints
(b)the lower part of the skull i.e.,(chin) only movable
(c) with the help of hinge joint we are able to move oue hand up and down but not backward
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