In the article, the aims of teaching bioscience in primary and middle school have been introduced. Core curriculum has been mentioned as well, and the tools that may be used by a teacher to convey theory and practical knowledge in the most efficient way  have been discussed. Furthermore, it has been noticed that various ecological ventures have a positive impact on children's ecological awareness. In the second part of the article, results of surveys conducted among primary and middle school students have been introduced. It embraces also questions and answers, in which children describe their knowledge level about the condition of environment and talk about their attitude towards taking care of nature, and what are the stimuli of such demeanours. In addition, the task of surveys was to find out which issues teachers pay particular attention to. The last two questions were to check the knowledge.

The Authors conclude, that the arytenoidectomy with laterofixation should be the method of choice in the treatment of the bilateral vocal fold paralysis caused by the lung cancer. The method does not exclude the upper airway from the respiratory tract which is of special importance for the patients with the lung problems.

Technical education, is mainly focused on exploring the world of technology, arising the technical conscious and discovering the world that surrounds us. But also is in touch with the development of knowledge and awareness of environmental education, and arising the environmental responsibility which is part of the world. This study describes the ecological issues in technical education and the need of creating them. These are the objectives of environmental education and all educational activities and educational content covering environmental protection. Specifying what content should be put there to create students the opportunity to explore additional knowledge about the world.