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The children had many interests in learning about different topics. They discussed and drew pictures of what they wanted to learn. They decided to investigate how breathing works. They learned that air enters through the nose or mouth, passes through the trachea and bronchi into the lungs. They discovered the lungs are located under the ribs in the chest cavity. They discussed dangers of breathing water instead of air and the negative effects of smoking on the lungs. They gained an understanding of the respiratory system through hands-on exploration and online research.Read less