Cellular respiration breaks down large energetic molecules from food to produce adenosine triphosphate (ATP). ATP is the molecule that our cells actually use for energy.

If ATP is the battery that our cells run on, cellular respiration is the process of charging the batteries.

Cellular respiration occurs in the mitochondria.

There are three steps to cellular respiration:

1.Glycolysis

2.Kreb’s Cycle

3.Electron Transport Chain

Cellular respiration uses oxygen and produces carbon dioxide