The human respiratory system is composed of a network of tissues and organs that enable the body to absorb oxygen from the air as well as expel carbon dioxide and other waste gasses. These functions ...

Cold weather, pollution and infections can worsen bronchial asthma in winter. Understand its triggers, symptoms and why ...

Part of Biology (Single Science) Cells, organ systems and ecosystems The air that enters the nasal cavity flows down the trachea. The trachea has a number of adaptations: cartilage rings in the walls ...

Bronchus-associated lymphoid tissue (BALT) is occasionally found in the lungs of mice and humans; however, its role in respiratory immunity is unknown. Here we show that mice lacking spleen, lymph ...

Laryngotracheobronchitis is a form of croup, the term for a common group of respiratory conditions that mostly affect infants and children. It’s highly treatable with corticosteroids, rest, and ...

Bronchial breath sounds are different noises your doctor can hear when listening to your breathing. Atypical sounds can indicate an underlying condition. Bronchial breath sounds, or lung sounds, are ...

Bronchiectasis is a chronic condition of the respiratory system, in which there is abnormal widening of the airways due to an initial damaging factor. This in turn reduces the ability of the bronchi ...

High blood pressure (hypertension) causes thickening of the blood vessels and hardening of the arteries (arteriosclerosis). A study conducted by Brazilian researchers has shown for the first time that ...

Indiana University School of Medicine researchers have uncovered compelling evidence that children with primary ciliary dyskinesia (PCD), a rare genetic disorder affecting airway function, are ...