Could you please clarify what you're asking? For example, are you asking:
* Where is glucose *produced*? Glucose is produced during photosynthesis in plants.
* Where is glucose *broken down*? Glucose is broken down in cellular respiration, which happens in the cytoplasm and mitochondria of cells.
* Where is glucose *stored*? Glucose is stored as glycogen in the liver and muscles.
* Where does glucose *enter the body*? Glucose enters the body through the digestive system, primarily from the small intestine.
Once you tell me what you're interested in, I can provide a more specific answer!