Parts of the model represent different parts of the respiratory system as shown here. The model, which is air tight, represents the thorax, and air is only able to enter via the glass tube which ...

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 ...

Dr. Nancy French of MTRI headed a study funded by the National Institute of Environmental Health Sciences, a part of the National Institutes of Health (NIH), to measure and statistically model a ...