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IN, BRIEF, , or. skeleton of, kor, our, , framework, , f, orm, form, , body, , the, , body, , ur, , ofour, , ones, , nd support, , support, , k, , e, , l, , e, , ull, , nhe, , heskul, , t, , body., , and, , the, , backbone, , ibs,, , brain, , and the, , backbone, , our, , protects, , adult, , human, , Thes, , two, , e, , wheret, , isa, , place, , fmovable, , oint, , four, , types, , of, , joints in our, , are, , ere, , andglidingjoint, , nd, , bones, , es, , hold theo f, , re, , three types, , There., , bornes,, , together, , and, , protects our spinal, cord., , body, , skull, in a n, bones, Joints, 206, bones meet., are, , The, , body., , the llimbs, constitute the skeletal syst, imbs, , gives, e s, , our, , and, shape, , eleton, h, , to, t, , help our limbs to move and, , do, , several kinds of, body hinge joint, bal and, work., socket joint,, pivot joint, -, , make movement possible,, , muscles- skeletal muscles, smooth muscles and cardiac muscles., , muscles-, , of, , calcium, needs, needs, , calcium, , body, boay, , vitamin D., and vitamin, , our, , are good for bone, Forstrong and green leafy vegetables, curd,ish, cheese, milk and curd are good for muscles, Milk,, , ., , eggs,, , les., , chickpea, cottage, , 2, , Exercises, Objective Type Questions, Give two, , examples of the, , following., , Wca., , *°°°°°°°°°, , 1. Bones n, , arms, , 2 Bones in legs, , ., , .....**e**, , 3. Movable joints, ******°, , *****, , bones, 4. Food for strong, , oeeer, , 5. Food for strong muscles, , A**********e*******, , B. Choose the correct option., 1. A framework of bones that give, , a. Muscle, , shape and support to, b., , our, , body., , Skin, , Skeleton, c. Heart, Z.Which of these is true for the bones in the skull?, movable, , a. No bones are movable, , b., All bones, , a. Hinge, , b. Ball and socket, , /Pivot, , d. Gliding, , are, , is movable, lower jaw bone, the, COnly the upper jaw bone is movable Only, n?, 3. In which of these joints can the bopesmove only in an up and down directo, , Seletal and Muscular, , System, , 35
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d o, , biceps and, , the, triceps makc, , arm, , move, , up, , r, , the bones, , biceps and triceps push, b. Both biceps and triceps pull the bones, bones, BTceps pull and triceps push the, bones, d., Triceps pull and biceps push the, A., , Both, , B., , Ans=, , 2., , .Which of these muscles are notin our control, , b. Triceps, d. All are voluntary muscles, , a. Bicepss, , \Heart muscles, C., , Fill in, , the blanks., , 1. The, 2., , XaLAha.. ribs, , The knee has, , are, , C., , Pi, , joined to the breastbone, , not, , a"..ADYK... joint, , 3. Blood cells are madeinthe bone ..akikA., 4., , The, , .The, D., , opmiM... hold bones together at the jo, , muscles, , are, , attached to the bones by ..XIMI.k.., , WriteT for True, statements or F for False statements., 1. The skull, the, , protects, delicate brain., Calcium and iron makes the, bones strong, 3. An adult has, about 300 bones., 4. The skull, contains several movable bones., . I t you, exercise your muscles,, they become stronger., Match the following, 1. The, largest bone, 2., , E., , 2., , a., , Allows maximum, movement, , Muscles in heartS), , b.Muscles in arms), , 3., 4. Not, 5., , Biceps and triceps, , Ball and socket, d. Femur, , C., , striped and involuntary, Striped and involuntary, , A., , **, , e., , Muscles, , in, , stomach (, , Theoretical Questions, Answer the, following questions in brief., 1. What is, the skeletal, system? Name the parts of the, 2. What are, the, , 3., 4., 5., , 6., , What is a, , functions, , joint?, , of the, , skeleton?, , skeletal system., , Differentiate between movable and, , immovable joints., Why are at least two muscles, needed to move any, Why is posture, in the, joint, body?, important?, , 36, , Skeletal and ME
