Answer: Mitochondria.
Step-by-step explanation: Cellular respiration can be defined as the process by which the glucose is broken down in the presence of oxygen.
The cellular respiration is a very important metabolic process that is used to obtain energy from the food that we eat. The energy from the food is incorporated into the bonds of the Adnenosine triphosphate.
The whole process takes place in the inner mitochondrial membrane that why mitochondria is known as the power house of the cell.