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 ...

The respiratory system is the system of organs that allow the body to take in oxygen and expel carbon dioxide, this process is known as gaseous exchange. We generally breathe between 12 and 20 times a ...

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 ...

Asthma is a condition that affects the airways carrying air into and out of the lungs. Smoking causes lung disease, heart disease and increased risks of several different types of cancer due to its ...

Animals are incredibly adaptable creatures that have developed a variety of survival mechanisms throughout their evolution.