Inhalation and exhalation is the same as breathing or ventilation and is a physical process which moves air into and out of your lungs. Respiration is not the same as breathing, and is a chemical ...

WASHINGTON, Sept. 6, 2022 – 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 ...

The biomimetic lung unit model, comprising a biomimetic membrane, vascular cells, and pulmonary cells, can mimic respiration and cultivate cells at the air-liquid interface. The biomimetic membrane, ...

The alveoli are microscopic, balloon-like structures in the lungs that play a crucial role in respiration. If they are damaged, they may be able to self-repair, but medical attention is key to ...

Rhys and Megan are on a camping trip. As they reach their destination it’s clear that Rhys is out of breath. Rhys asks Alfred, his science app, for advice on how to pitch a tent. Alfred explains that ...