How to sign: draw air into, and expel out of, the lungs
"I can breathe better when the air is clean"; "The patient is respiring";
See also: exhale, breathe out, breathe in, inhale, expire, inspire
Similiar / Same: breathe, take a breath, respire
Within this category: choke, exhale, hiccup, hyperventilate, inhale, respire, sigh, snore, wheeze, yawn