Playing the harmonica requires inhaling and exhaling strongly against resistance. However, the reverse, inhaling when lifting and exhaling when lowering, may also be recommended. He was the first jazz singer to sing while inhaling in addition to exhaling. Mode of breathing can be checked by examining air flow while exhaling. Exhaling hard through both nostrils at once will effectively eject the mucus. The dragon is exhaling vapor out of the nose and mouth at the same time. I could hear my lung exhaling and had blood in my mouth. The other image is of Jo Calderone in silhouette exhaling a cloud of smoke. The process involves bacteria feeding on hydrocarbons and exhaling hydrogen and CO. Holding the nose and exhaling against the obstruction has a similar effect. Below that volume, they are used to increase the subglottal pressure by actively exhaling air. The double lasso begins with exhaling an O shape around a foot in diameter. On a helmet a dragon Sable, exhaling fire Gules, on two crescents pointing up, Or.