The school children knowledge about domesticated animals are corrected and enriched within the lesson “Animals and their puppies. In the grandparent’s courtyard”, in which the school children enumerate and describe mammals and birds existing in the image from the manual, and enrich their vocabulary with the names of their puppies. By using within the lesson of a graphical organizer with images in which is presented the animal’s mode of life, appearance, food, puppies, and its importance for the humans, the school children are stimulated to actively participate at describing that animal. The content of the concept of animal enrich within the lesson with the same theme, with elementary knowledge about component parts of an animal’s body. Based on explanation and demonstration of the images from the manual, the school children learn the name of these parts, and by means of conversation they will establish the similarities between component parts of a mammal’s body – the cat – with those of a domesticated bird – the chicken. The school children knowledge concerning the structure of an animal’s body will be corrected and fixed in their memory by the identification and denomination of the parts of stork’s body, within the lesson “The birds return”. Also in the preparatory class, the content of “animal” concept is enriched with elementary knowledge about various species of animals living in seas and oceans, and external structure of a fish, as well as about insects and their external structure.