Build your child’s reading confidence at home with books at the right level Every human has to breathe, but how do we do it – and why?This detailed non-fiction book clearly explains the breathing process, how your lungs are connected to the rest of your body, using detailed diagrams for support. Topaz/Band 13 books offer longer and more demanding reads for children to investigate and evaluate. Text type: An information bookCurriculum links: ScienceThis book has been quizzed for Accelerated Reader.