Question 17 Arjun is doing his homework given by his teacher. Help him to choose ( the correct sentence, (a) the hard and strong skull protects a delicate organ of our body called brain. (b) there is a fixed joint between the skull and the upper jaw. (c) when the muscles attached to a bone contracts, it pulls the bone due to which the bone moves at the joint, (d) all the above
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I don't know the answer..sorry..
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the answer is
(D) all of the above
hope it helps
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