In today’s lesson, students will explore carbohydrates, focusing on their functions and classifications, including simple and complex carbohydrates. The instructor discusses various food items rich in carbohydrates, such as fruits, vegetables, and different types of bread. Importance is placed on understanding how carbohydrates serve as a source of energy while comparing their role to proteins. The lesson is divided into two parts, with interactive discussions and visual aids to help clarify these concepts.