Answer the following question given this paragraph: 

As food is pushed through the GI tract by peristalsis, it undergoes digestion. Digestion is the process of breaking down food into nutrients. There are two types of digestion: mechanical digestion and chemical digestion.


Q: The process of breaking down food into nutrients is known as __________

 Choices:

- energy

- absorption

- filtration

- digestion

A:
digestion
