A mineral that is required for keeping our bones healthy.

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for a mineral that is essential for maintaining healthy bones.

2. **Understand the Role of Minerals**: Minerals are essential nutrients that our body needs in trace amounts. They play various roles, including supporting the immune system, aiding in wound healing, and helping in energy conversion.

3. **Focus on Bone Health**: Among the various minerals, some are specifically important for bone health. It is crucial to identify which mineral is primarily responsible for this function.

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