Which of the following is fuel for our body?

Options

A. Petrol
B. Diesel
C. Food
D. Water

Explanation

To determine which of the following is fuel for our body, we need to analyze the options provided and understand the role of each in relation to human physiology.

### Step-by-Step Solution:

1. **Understanding the Concept of Fuel for the Body**:
- The body requires energy to function, which it derives from various sources. The primary source of energy for our body is food.

2. **Analyzing the Options**:
- **Option 1: Petrol** - This is a type of fuel used for vehicles and machinery. It is not suitable for human consumption and does not provide energy for bodily functions.
- **Option 2: Diesel** - Similar to petrol, diesel is another type of fuel used for engines. It is also not consumable by humans and does not serve as energy for our body.
- **Option 3: Food** - Food is the primary source of energy for the human body. It provides essential nutrients that are necessary for growth, repair, and various metabolic processes.

3. **Conclusion**:
- Based on the analysis, the correct answer is **Option 3: Food**. Food acts as fuel for our body, providing the necessary energy and nutrients for various bodily functions.

### Final Answer:
The correct option is **Food**.

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