Ancient viral fossils buried in our DNA are offering fresh clues about how today’s respiratory pathogens infect and spread.

The study of the respiratory system microbiome is a burgeoning field that has recently garnered significant attention.

Take a deep breath — here's how the respiratory system works. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The human respiratory system is a ...

The respiratory system is responsible for the exchange of carbon dioxide and oxygen in the human body. This system also helps remove metabolic waste products and keep pH levels in check. The major ...

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 ...

Instead, surfactant is also important in narrow tubular respiratory structures such as the terminal airways of mammals and the air capillaries of birds. (3). Insect tracheoles: We investigate the ...

High levels of phenotypic age acceleration (PhenoAgeAccel) were found to have a more significant effect on lung function in patients with chronic obstructive pulmonary disease (COPD), older patients, ...

As most people are aware, marijuana is the most widely used illicit drug in the world. 1 Cannabis is the second most smoked substance, after tobacco. In the past few years, recreational use of ...

Retroviruses are viruses that have evolved the ability to write their genetic code into a cell's own DNA. The most ancient ...