MR / Schenectady, NY .Yates Arts-in-Education Magnet School, (urban public schl) Grade 2.Boy (7) blows up balloon. (image of him deflating same balloon is also available).Class is learning about breath, lungs and the respiratory system in science lesson as well as the terms inflate and deflate..MR: AC-g2f Ris2..©Ellen B. Senisi