What do the lungs do and how do they do it?
How does speech happen and what areas of the body are involved? (Hint: it's not just the vocal cords!)
What can go wrong with the lungs, and why?
How do you get air into your lungs? Why do you need a diaphragm?
What is asthma? Why do people use inhalers?
What are the different kinds of pneumonia and how do doctors determine them? See for yourself on real X-rays!