Persistent dry mouth may be a sign of inflammation in your respiratory system. Learn how this connection works and how to ...

I don't pay a lot of attention to my breathing, despite it being one of the most important things I do to keep my body ...

Pleural membranes Thin layers that reduce friction between the lungs and the inside of the chest wall during breathing Pleural fluid (Higher Tier) Fluid found in the pleural cavity (between the ...

The flu is a contagious viral infection of the respiratory system that affects the nose, throat and lungs. It is caused by influenza viruses. Symptoms of mild flu infections can resemble those of ...

Back pain while breathing can also indicate a medical emergency, such as a heart attack or pulmonary embolism, particularly if the person is also experiencing shortness of breath or chest pain.

Respiratory system models are experimental systems that recreate aspects of human respiratory system development, function or disease. Animal models such as dog, rodent and pig can be used to ...