When exercising, cells will need more oxygen and produce more carbon dioxide as a result of increased respiration. When blood reaches the lungs, a larger volume of air is needed to replace the oxygen ...

Over the past two decades, at least four major research programmes have formed in evo–devo, although there is extensive overlap among them. Figure 1: A morphodynamic model relating shape change and ...

1 Human Performance Laboratory, Appalachian State University, North Carolina Research Campus, Kannapolis, North Carolina, USA 2 Department of Biology, Appalachian State University, Boone, North ...

Researchers at the Francis Crick Institute and AlveoliX have developed the first human lung-on-chip model using stem cells taken from only one person. These chips simulate breathing motions and lung ...

Respiratory tract diseases are illnesses that affect components of the respiratory system, including the nasal passages, the bronchi and the lungs. They range from acute infections, such as pneumonia ...