<P> Breathing ( or respiration , or ventilation ) is the process of moving air into and out of the lungs to facilitate gas exchange with the internal environment , mostly by bringing in oxygen and flushing out carbon dioxide . </P>
<P> Breathing ( or respiration , or ventilation ) is the process of moving air into and out of the lungs to facilitate gas exchange with the internal environment , mostly by bringing in oxygen and flushing out carbon dioxide . </P>
breathing is an example of what type of process
breathing is an example of what type of process
moving air into and out of the lungs to facilitate gas exchange with the internal environment
moving air into and out of the lungs to facilitate gas exchange with the internal environment