The Importance of Calcium: Building Strong Bones and More

Calcium, an alkali Earth metal, is essential for strong bones and teeth. Discovered by Humphry Davy, it is not consumed in its metal form. Calcium compounds like gypsum and lime have various uses in construction and food. In the body, calcium is crucial for bone health, muscle contraction, and nerve function.

Explain the role of calcium in the human body.

What foods are recommended for their calcium content?