Chemical substances required for the growth of body and energy production are called_______.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that describes chemical substances necessary for body growth and energy production.

2. **Identifying the Key Term**: The key term we are looking for is commonly used in biology and nutrition.

3. **Recalling Relevant Information**: We know that our body requires various substances to function properly, including those that help in growth and provide energy.

4. **Defining the Term**: The term that encompasses all these substances is "nutrients."

5. **Listing Types of Nutrients**: Nutrients can be categorized into several types:
- Carbohydrates (for energy)
- Proteins (for growth and muscle development)
- Fats (for insulation and energy)
- Vitamins (for various bodily functions)
- Minerals (for overall health and immune support)

6. **Conclusion**: Therefore, the answer to the question is that chemical substances required for the growth of the body and energy production are called **nutrients**.

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