The thematic issue "Body and Healthy Nutrition" 3/4 offers children the opportunity to discover and explore essential aspects of a healthy lifestyle at their level in a hands-on manner. They can learn about the structure of the human body and its basic functions, describe, evaluate, and apply health-promoting behaviors in relation to their own lives and those of others, investigate eating habits, and describe the characteristics of a balanced diet. The children develop an understanding that food contains nutrients and provides energy necessary for growth and health. They identify the origin and processing of selected foods and recognize their importance for personal health. While working on the topic, the children familiarize themselves with key concepts through selected examples.