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A cockroach can climb, walk and also fly. It waks and cimbo uting its three pairs of legs h also has, two pairs of wings which helpit to fly, Birds can walk and fly. The light-weight body and hollow bones heip them in flying Birds use their hind, ees to waik on the ground, . Streamined body shape of the fish enables them to swim through the water. Fins help a fish to, mantain balance and keep direction while swimming, . Snakes have long backbones and thin muscles These move forward by looping sideways and pressing, against the ground., The United Nations has declared 21st June as International Yoga Day., Regular practice of yoga keeps the bones strong relieves joint pain and keeps the muscles and hieart, active, TEXTBOOK QUESTIONS, LFill in the blanks., (1) Joints of the bones help in the Movement of the body., ple, (2) A combination of bones and cartilages forms the beleton of the body., (3) The bones at the elbow are joined by a, joint, (4) The contraction of the Mucles pulls the bones during movement., L Indicate true (T) and false (F) among the following sentences., fabe, False, False, (1) The movement and locomotion of all animals is exactly the same., (2) The cartilages are harder than bones., (3) The finger bones do not have joints., Tawe, (4) The fore arm has two bones., True, (5) Cockroaches have an outer skeleton., IL Match the items in Column I with one or more items in Column ll:, Column I, Column II, (1) Upper jaw, (a) have fins on the body, (2) Fish, (b) has an outer skeleton 5, (3) Ribs, c) can fly in the air, (d) is an immovable joint, (4) Snail, (5) Cockroach, (e) protect the heart 2, () shows very slow movement L, (2) have a streamlined body, 2., Body Movements, 53