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) is the primary mineral component of bones and teeth, providing hardness and structural strength. Calcium carbonate is found in seashells and eggshells, while calcium sulphate and nitrate are not major components of skeletal tissue.

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