The cells in the body need oxygen to release energy from food efficiently by carrying out aerobic respiration. A waste product of aerobic respiration is carbon dioxide. The layer of moisture in the ...

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 ...

We need to get oxygen from the air into the blood, and we need to remove waste carbon dioxide from the blood into the air. Moving gases like this is called gas exchange. As the blood moves through the ...