Answer: Oxygenate
An aerobic environment is characterized by the presence of free oxygen (O2) so In order to live in aerobic conditions an organism must have oxygen or need to oxygenate.
In an aerobic conditioning, the heart and lungs of an organism are conditioned or trained to pump blood more efficiently, in order for more oxygen to be delivered to muscles and organs of the body. It strengthens the heart and lungs or our cardiovascular system.