Which one is body building material ?

Options

A. Minerals
B. Fat
C. Protein
D. Sugar

Answer

To determine which substance is considered a body-building material, we can analyze the options provided: minerals, fat, protein, and sugar.

### Step-by-Step Solution:

1. **Understanding Body-Building Materials**:
- Body-building materials are substances that contribute to the growth, repair, and maintenance of body tissues.

2. **Analyzing Each Option**:
- **Minerals**: These are essential for various bodily functions, including the formation of bones and teeth. However, they do not directly contribute to the building of body tissues.
- **Fat**: Fats are primarily used for energy storage and insulation. While they play a role in overall health, they are not classified as body-building materials.
- **Protein**: Proteins are made up of amino acids, which are the building blocks of body tissues. They are crucial for growth, repair, and maintenance of muscles and other tissues, making them the primary body-building material.
- **Sugar**: Sugars, which are carbohydrates, are mainly used for energy. They do not contribute to the structural components of the body.

3. **Conclusion**:
- After analyzing all options, the correct answer is **protein**, as it is the primary body-building material necessary for growth and repair of body tissues.

### Final Answer:
**Protein** is the body-building material.

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