Breathe helium, voice pitch rises; breathe SF6, voice pitch lowers. added to demo request on 29-06-2015

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Demo Name: 
Breathe helium, voice pitch rises; breathe SF6, voice pitch lowers.
Demo Class: 
7B
Demo Semester: 
summer
Demo Professor Name: 
Mike Bloxham

Demo Request Status:

Demo Week: 
3