For example, a communication officer may work with a company's CEO to develop a message of family values. Their external communications may include social media and advertising that shows how the organization is devoted to family values.
Medical Definition of Ventilation. Ventilation: The exchange of air between the lungs and the atmosphere so that oxygen can be exchanged for carbon dioxide in the alveoli (the tiny air sacs in the lungs). Last Editorial Review: 5/13/2016.
MECHANICS OF VENTILATION. Ventilation is defined as the movement of air in and out of the lungs. The. primary function of the lung is to supply the body with oxygen and remove carbon. dioxide, the waste product of metabolism. The total volume of the lung is divided into smaller units of volume. These units.