Question

q.true or faulse a. Movement is brought about by the contraction and relaxation of muscles b. A snail moves with the help of setae. c. A pivot joint allows us to move our arms. d. The rib cage protects the lungs and the heart. Outer skeleton is present in cockroach. f. Our skull has movable joints. g. Cartilages are harder than bones. Answer the following e. in bri​

Answer 1

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