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
8
Answer:
ball and socket joint allows movement in many directions
skull.lower jaw only
our elbow can't move backwards as it is a hinge joint
Answered by
19
a) The rounded end of one bone fits into the cavity (hollow space) of the other bone. Such a joint allows movements in all directions which is called as ball and socket joint.
b) Lower jaw.
c) Our elbow cannot move backwards because it has hinge joints which only allow back to forth movements.
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