Tommy was at the fun fair. When he was on the roller-coaster, he somehow managed to jumble all of his internal organs around. How is this even possible? Anyway, can you put his organs back in the correct order from head to toe?
Breathe in – hold your breath – breathe out. Did you notice something? Most of the air you just inhaled and exhaled went through just one nostril. But your nose is an adamant supporter of equally dispatching air – every few hours, your nares take turns.