Little fluoride is added to drinking water to strengthen our-

Options

A. Bones
B. Teeth
C. Muscles
D. Hair

Answer

**Step-by-Step Solution:**

1. **Understanding the Role of Fluoride:**
Fluoride is a mineral that is found in various parts of the body, particularly in bones and teeth. Its primary role is to help strengthen dental enamel, which protects teeth from decay.

2. **Sources of Fluoride:**
Fluoride can be obtained from various sources, including drinking water, certain foods, and dental products like toothpaste. In toothpaste, fluoride is often present in concentrations of about 1000 parts per million (ppm).

3. **Why Add Fluoride to Drinking Water?**
The addition of fluoride to drinking water serves two main purposes:
- **Accessibility:** It ensures that fluoride is available to a larger population, including those who may not have access to dental care or fluoride-containing products.
- **Cost-Effectiveness:** Adding fluoride to water is a relatively inexpensive public health measure compared to other dental health interventions.

4. **Primary Benefit of Fluoride:**
The main reason for adding fluoride to drinking water is to strengthen teeth. This helps in reducing the incidence of dental cavities and promotes overall oral health.

5. **Conclusion:**
Therefore, the correct answer to the question "Little fluoride is added to drinking water to strengthen our..." is that it is added to strengthen our **teeth**.