What is the powerhouse of the cell?
The mitochondria is commonly referred to as the powerhouse of the cell as its primary function is the extraction of energy from food.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What is the powerhouse of the cell?
### Input: 
### Response: The mitochondria is commonly referred to as the powerhouse of the cell as its primary function is the extraction of energy from food.