GK
HUMAN BODY AND REPRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Calcium nitrate
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Calcium sulphate
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Calcium carbonate
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Calcium phosphate
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Detailed explanation-1: -Detailed Solution. The chemical substance present in bones and teeth is Calcium Phosphate or Ca3(PO4)2. Calcium phosphate is fundamental to the formation of bone and teeth.
Detailed explanation-2: -Enamel is the hardest substance in the human body, and it covers the outer surface of your teeth. It is made mostly of an extremely hard mineral called calcium phosphate. Dentin makes up the layer just below your tooth’s enamel. It consists of living cells that secrete a mineral substance.
Detailed explanation-3: -The largest calcium phosphate source in the body exists as hydroxyapatite (HAP), which is an important structural component of bones and teeth. Calcium is also present in the circulatory system and tissues, while phosphorus is also an important component of DNA and protein.