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 ...

Lung diseases like emphysema or chronic obstructive pulmonary disease are a leading cause of death worldwide. With the advent of COVID-19, these diseases have only become more prevalent. Despite the ...

This 1930s educational film provides a detailed exploration of the respiratory and excretory systems, combining live-action demonstrations, animations, and intertitles to illustrate human anatomy and ...

To track the course of inhaled microplastics and their even smaller counterparts, nanoplastics, the study authors constructed a detailed computer model of the human respiratory system from the nose to ...

For the first time, a breathing lung model has been made using cells from only one person. Announced on January 1, the development comes from researchers at the Francis Crick Institute in London and ...

A novel 3D-cell culture method enables the rapid production of genetically identical ‘lung buds’ for the investigation of respiratory diseases, providing new insights into the pathogenesis of COVID-19 ...