Introduction Respiration is defined as the exchange of oxygen and carbon dioxide between the air we breath and our body tissue and cells. Normal breathing takes in about one pint of air with each breath. In addition to transporting oxygen and carbon dioxide, the respiratory system aids in maintaining proper blood pH and body temperature. The Respiratory System Respiration and Its Functions. Pulmonary edema is fluid in the lungs.
Pulmonary embolus is a lung obsturction.
Leads to a condition known as Black Lung.