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Answers
Answer:
1. calcium
2. chyme
3. Melanin
4. Lactic acid
5. Sacrum
Explanation:
1. the calcium of bone slowly starts dissolve due to the action of strong acid . ... bone is depleted of calcium but it doesn't "melt"because there are other minerals and bone became brittle and more susceptible to breakage.
2. Chyme is a semi-fluid pulp formed in the stomach made of partly digested food and the secretions of the gastrointestinal tract.
3. Hair color is determined by the amount of a pigment called melanin in hair. An abundance of one type of melanin, called eumelanin, gives people black or brown hair. An abundance of another pigment, called pheomelanin, gives people red hair.
4. There is a build-up of lactic acid in the muscles during vigorous exercise. The lactic acid needs to be oxidised to carbon dioxide and water later.
5. The sacrum is formed by the fusion of five vertebral elements to form a large bone that contributes to the stability of the bony pelvis. On the dorsal surface of the sacrum is a bony tunnel, which protects the sacral and coccygeal nerve roots.