Multiple choice general knowledge science & technology

What is the main component of bones and teeth?

  1. Calcium Carbonate

  2. Calcium Phosphate

  3. Calcium Sulphate

  4. Calcium Nitrate
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Calcium phosphate (specifically hydroxyapatite, Ca₁₀(PO₄)₆(OH)₂) is the main mineral component of bones and teeth, giving them hardness and strength. It makes up about 65-70% of bone tissue.

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