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 ...

Dinosaurs are far from 'extinct', but dominate as birds still most regions of the globe. Part of this huge success is due to the evolution of air sacs, which are crucial for the high efficiency of ...

Scientists have identified a cell type believed to play a role in controlling the early infectious process against Francisella tularensis, a respiratory pathogen and bioterrorism agent that is the ...

The objective of this study was to determine how clinicians make use of the modern multiplex PCR assays (MPAs) to manage patients hospitalized for community-acquired pneumonia (CAP). We studied the ...

Lungpacer Medical has commenced subject enrolment in its Phase II STimulation to Activate RespIration (STARI) trial, ...