Richard Bossert's street-level study of the human body's gas exchange process is nothing to sniff at when it comes to patient treatment. You arrive for a difficulty-breathing emergency. The patient is ...

Respiration is a chemical reaction that happens in all living cells, including plant cells and animal cells. It is the way that energy is released from glucose so that all the other chemical processes ...

Gas exchange or respiration takes place at a respiratory surface; a boundary between the external environment and the interior of the body. For unicellular organisms the respiratory surface is simply ...