Alveoli are the basic functional units of the human respiratory system, acting as tiny air sacs that exchange gases. Air inhaled through the mouth and nose flows into the lungs through the branched ...

Scientists have created a model alveolar system that mimics the breathing action of the human lung and allows visualization of flow patterns within the alveoli. The chip they designed includes tubes ...

Pneumonia is an infection of one or both lungs which affects alveoli, the tiny sacs found in clusters at the end of the branching structure of airways (respiratory tree) that supply air to the lungs.

Your nose is a vital organ that plays a central role in bodily functions like breathing and smelling. However, there are additional functions that your nose participates in. Likewise, there are a few ...