Question

4.
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?
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Answer 1

Answer:

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Answer 2

Step-by-step explanation:

a) It is a type of joint which allows us to move in all the directions

b) All the bones of the skull hard and thick and fix together except the lower jaw it is only the movable bone of the skull and enables us to talk,chew and sing

c) our elbow cannot move backward because it is a hinge joint and this joint allows to move only in one direction

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