Labels:daily OCR: CONCHA CONCHA is a small. curved bone that sticks out from the inside wall of your nasal cavity You have three conchae (one concha on each side of your nose. and each one has a soft lining that covered by mucus The air you breathe in through your nose swirls around the twists and turns of your conchae. This swirling action N arms and moistens the air before enters your lungs. Dust that has not been trapped by the hairs guarding your nostrils stick tc the mucus on the conchae so protecting your lungs. irling warms