Ears - how your ears work. This topic tells you about your ears and how they work. Your ears are very important. Think what it would be like if you could not hear people talking or music or the telephone ring or your pet dog bark. We all need to take care of our ears - the topic 'Ears - looking after your ears', will tell you how you can do this. See if you can work out what all these special words mean, when you read this topic.