As the process of bringing oxygen into the body and drive out carbon dioxide, which the body needs oxygen. For growth nutrients and digestion process meta-bot mess.
The process of bringing oxygen into the body and drive off carbon dioxide, which the body needs oxygen. Growth Degradation of nutrients And the process of digestion.
The process of oxygen into the body and carbon dioxide out of the body to drive the oxygen for growth. Decomposition of nutrients. And the process of metabolism.