blow out — If you blow out a flame or a candle, you blow at it so that it stops burning.
respire — to inhale and exhale air for the purpose of maintaining life; breathe.
breathe — When people or animals breathe, they take air into their lungs and let it out again. When they breathe smoke or a particular kind of air, they take it into their lungs and let it out again as they breathe.
emit — Produce and discharge (something, esp. gas or radiation).
give off — to present voluntarily and without expecting compensation; bestow: to give a birthday present to someone.
let out — (of fur) processed by cutting parallel diagonal slashes into the pelt and sewing the slashed edges together to lengthen the pelt and to improve the appearance of the fur.
discharge — to relieve of a charge or load; unload: to discharge a ship.
eject — Force or throw (something) out, typically in a violent or sudden way.
emanate — (of something abstract but perceptible) Issue or spread out from (a source).