This energy comes from the combination of two sources: oxygen coming from breathing, and one nutrient, glucose coming from the food or from the fat reserves of the human body.
(This energy; comes; from the combination of two sources) (oxygen; coming; from breathing) (glucose; coming; from the food or from the fat reserves of the human body)
This energy oxygen glucose
comes coming coming
from the combination of two sources
from breathing
from the food or from the fat reserves of the human body