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dropbox 1 - Chemical composition Questions 1 What material...

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Chemical composition: Questions 1. What material is responsible for hardness of bone? Calcium deposits in the matrix 2. What material accounts for flexibility of bone? Organic material in the matrix Results 1. Bone soaked in vinegar a. Try to bend the bone. b. What effect did removal of calcium have? The bone is now very flexible and somewhat transparent in some places. 2. Baked Bone a. Try to bend the bone. Smash the bone by stepping on it. b. What was the effect of removal of organic material? The bone is no longer flexible at all. c. What happened when you smashed the bone? It shattered into tiny pieces. 3. From this experiment we can conclude that calcium is responsible for the hardness of bone while organic materials are responsible for flexibility. Bone: Questions 1 What substances are responsible for the strength of bone? Calcium deposits 2. How does spongy bone differ from compact bone? What differences did you see in the appearance of the spongy bone and compact bone?
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