Introduction:
Energy-giving foods are those that provide the body with the necessary fuel to carry out its functions. These foods are rich in carbohydrates, which are the primary source of energy for the body. Carbohydrates are broken down into glucose, which is then used by the body as fuel. Some examples of energy-giving foods include potatoes, bread, and sweets.

Explanation:
Let's examine each of the options to understand why they are considered energy-giving foods.

1. Potato:
Potatoes are a starchy vegetable that is a rich source of carbohydrates. They contain complex carbohydrates, which are broken down gradually by the body, providing a steady release of energy. Potatoes are also a good source of fiber, which helps regulate digestion and maintain steady blood sugar levels. Therefore, potatoes are considered an energy-giving food.

2. Bread:
Bread is made from grains, usually wheat, which is a rich source of carbohydrates. When we consume bread, the carbohydrates are broken down into glucose, providing an immediate source of energy. Whole wheat bread is a healthier option as it contains more fiber, vitamins, and minerals compared to white bread. Bread is a staple food in many cultures and is widely recognized as an energy-giving food.

3. Sweets:
Sweets, such as candies, chocolates, and desserts, are also sources of carbohydrates. However, they usually contain simple carbohydrates, which are quickly broken down by the body, leading to a rapid release of energy. While sweets can provide a quick burst of energy, they are often high in added sugars and may lack essential nutrients. Therefore, it is important to consume sweets in moderation as part of a balanced diet.

Conclusion:
In conclusion, all of the given options (potato, bread, and sweets) are considered energy-giving foods. They are rich in carbohydrates, which provide the body with the necessary fuel to function properly. However, it is important to maintain a balanced diet and choose healthier sources of carbohydrates, such as whole grains and starchy vegetables, to ensure long-lasting energy and overall good health.