Q: We live in the fire zone in Altadena, California. After the evacuations ended, we came home, and now my throat is ...

New research challenges long-held beliefs about lung development, revealing that alveoli form through epithelial outgrowths ...

Air sac cannulas are indicated in birds with upper respiratory obstruction or for ventilation during surgical procedures involving the head and neck. Proper technique, knowledge of potential ...

Inside their bones and skin are tons of tiny air sacs that reduce the weight of these large birds, which is thought to help them soar long distances without using muscle energy. These air sacs ...

Influenza infection (flu) is a major cause of death around the world, especially during years of flu pandemics. People who die of the flu often have a secondary lung infection with Staphylococcus ...

it passes through smaller and smaller tubes and ends up in tiny air sacs called alveoli. Oxygen passes through the walls of the alveoli and enters tiny blood vessels. The blood vessels carry ...