1. BreathingPaints (2010) by Wil Lindsay.

The work is let users to draw and paint on the mirror through their blowing.

2. Breathalising Games (2011)

http://www.cs.nott.ac.uk/~jqm/?p=548
A collection of games based on breadth interfaces. A new way of looking at old games like ping pong.

3. Inside-out (2011) by Andre Borges

http://www.saxcretino.com/solo/inside-out-a-sound-art-performance/
The artist, Andre Borges, performs to bring the internal sounds of the human body to our ears. He performs different breathing patterns and captures sounds from his throat which cannot be made out loud.