The process of expelling air containing more carbon dioxide than the inhaled air is known as _____________.
exhalation
Breathing is the process that moves air in and out of the lungs. Exhalation is the process of releasing air (out of the lungs) which is rich in carbon dioxide compared to the inhaled air. Inhalation is the process of taking in air which is rich in oxygen compared to the exhaled air. Respiration is a process that takes place within the cells of organisms to produce energy.