I. State whether the statements given …

I. State whether the statements given below are True or False: (i) The bones are soft while cartilages are hard. (ii) Skeleton system gives the body support and protects inner organs. (iii) Doctors use X-ray films to examine the injuries of bones. (iv The bones of cranium are flat and held firmly like a zipper. (v) Upper jaw is movable. (vi)Five vertebrae of hip and four vertebrae of tail are fused in the human vertebral column. (vii) Bones in the foot are normally set in an arch. (viii) A human body is born with about 206 bones. (ix) There are air sacs connected with the lungs in birds. (xi) Muscular foot in snail is part of its belly. (xii) The bones are moved by simultaneous contractions and relaxation of two sets of muscles. (xiii) All the joints in our body are similar. (xiv) Cockroaches cannot walk. (xv) The minute movable bristles in earthworm help in gripping the ground.

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