This essential process (of ventilation) ensures that a constant exchange
of oxygen and carbon dioxide takes place between the lungs and the pulmonary
blood. The oxygen is ultimately used to release energy in all our body
tissues. This is similar to a log fire needing oxygen to burn and release
heat energy. In both processes carbon dioxide is given-off as waste.
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© 2005 School of Nursing and Academic Division of Midwifery, University of Nottingham
Developer: Vivien Rolfe
Content author: Heather Bull
RLO released: 14th March, 2005
Page last updated: 29 March, 2021