Review structure and function of respiratory system. Students guess products based on list of ingredients. Describe ingredients of tobacco. Students simulate tar affecting the cilia. Review additional chemicals in tobacco.
Groups research tobacco ingredients.
Review, summarize and discuss. Prepare a large stack of books for students to pass fire-brigade style. Have poster board and crayons or markers for students. Two 35-minute sessions. Permission is granted to reproduce for educational non-commercial uses if this message is shown.