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Students use this resource consisting of seven slides with diagrams, written explanation and voice-over to identify the differences between inhaled and exhaled air. There is a two-question quiz and a summary slide.
This resource consists of 2 sets of automated illustrated slides with voice over presenting information about how the process of respiration changes the composition of gases present in inhaled and exhaled air. The second set demonstrates experiments to show that carbon dioxide and water vapour are exhaled.