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 ...

A newly discovered cell was found hiding in the passageways of the human lungs, according to Live Science. And this cell may be crucial to the functionality of the respiratory system. According to a ...

With recent studies having established the presence of nano and microplastic particles in the respiratory systems of both human and bird populations, new research has modeled what happens when people ...

Nicolás Catalán, coauthor of the research, with the three-dimensional model of the human upper respiratory tract. The mask in the background hides the 3D model to simulate any impact of the facial ...

Schematic representation of gas exchange and waste removal processes within the human body (left). Schematic of a circulating air filtration system with a similar structure to the human body (right).