The diaphragm is the primary muscle used in respiration, which is the process of breathing. This dome-shaped muscle is located just below the lungs and heart. It contracts continually as you breathe ...

Using accessory muscles implies that the forced expiratory volume in 1 second (FEV1) is decreased to 30% of normal, which is usually between 1.0 and 1.5 liters per second. In such cases, a sitting ...

The gas exchange system is responsible for getting oxygen into the blood and removing carbon dioxide as a person breathes. Breathing is also called 'ventilation' and is the movement of gases into and ...

Find out why chest pain while breathing is no laughing matter from strained muscles to pleurisy and how you know when you should get urgent medical attention ...

Breathing is one of the body's most basic physiological processes, but it's not as automatic as we think. It's something we do without much thought, yet breathing properly is an active process that ...