Let's learn how to make a working lung! Step 4: Stretch the end of the balloon over the bottom of the bottle, and fix it there with tape. Step 5: Ask an adult to help you drill a hole in the ...

Scholars traditionally model the lungs like balloons, or what they refer to as thin-walled pressure vessels, where pushing air in and pulling air out are understood to be mechanically equivalent. To ...

Lung surfactant coats tiny air sacs in the lung. Without it, every breath is a struggle, like blowing up millions of little balloons. With surfactant, breathing is as easy as blowing soap bubbles.

Health news: 'Reconditioning' diseased lungs, apple that takes years off your arteries and a balloon to ease incontinence By DAILY MAIL REPORTER Updated: 03:10 EDT, 13 November 2008 ...