Question : What is the main constituent of the human bone?
Option 1: Phosphorus
Option 2: Calcium
Option 3: Zinc
Option 4: Iron
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Correct Answer: Calcium
Solution : The correct answer is Calcium .
Calcium is the most abundant element in bones. Bones are essentially made up of a mineralized matrix of calcium and phosphate salts, which provide the bone tissue with strength and stiffness. Calcium is required for bone development, growth, maintenance, and many physiological functions in the body.
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