the.com/exhale
The body's quietest sigh of relief, performed roughly 20,000 times a day without applause.
means To breathe out, releasing air from the lungs along with carbon dioxide and the occasional held grudge.
from From Latin exhalare, ex meaning out plus halare to breathe — the same root that gives us inhale and the very breathy halitosis.
Carbon exportEach breath out is mostly nitrogen, not just CO2.
Water lossExhaling sheds roughly a liter of water daily.
Calm switchLong exhales activate the nervous system's brake pedal.