Take a deep breath. Now exhale. Congratulations! You've just done something completely ordinary, yet so mysterious that scientists still don't know everything about it. How oxygen and carbon dioxide ...

Add Yahoo as a preferred source to see more of our stories on Google. The respiratory system is made up of several organs and structures, including the lungs, windpipe, diaphragm and alveoli. It is ...

Cells breathe, to an extent, exchanging gases, taking in energy sources from the environment and processing it. Now, researchers from Tohoku University in Japan have shone a light on the process in a ...

Researchers have identified how a common bacterium is able to manipulate the human immune system during respiratory infections and cause persistent illness. Researchers from The University of ...

Researchers have assessed virus growth and activation of the cellular defense mechanisms in the respiratory tract. They have shown that natural temperature differences that exist in the upper and ...

Thought only to infect the respiratory tract, new research has proved for the first time that the respiratory syncytial virus (RSV), very common in young children, can also penetrate nerve cells ...

Air pollution is a major risk factor for respiratory infections in children, with prenatal and postnatal exposure increasing vulnerability. Key pollutants include particulate matter, nitrogen oxides, ...