Cellular respiration allows an organism to get energy from glucose, a type of sugar. Here's a breakdown:

* Glucose is a simple sugar that serves as the primary fuel source for most living organisms.

* Cellular respiration is a complex process that breaks down glucose in the presence of oxygen, releasing energy stored in the chemical bonds of glucose.

* This energy is captured in the form of ATP (adenosine triphosphate), which is the primary energy currency of cells.

So, in essence, cellular respiration is like burning glucose to generate energy for the cell's activities.