Help. human body project?

Why is the digestive system so important to the body? Lots of reason. Its what takes out adjectives the nutriants in food, and puts them into our bodies. It also contains the enormous majority of our immune system response, and it filters out adjectives the harmful toxins.
If we didn't hold it we'd waste away. Here's an conception: to find out why and how it's so important it may be more interesting to look up diseases of the digestive tract, and see what happen when it DOESN'T work correctly.
the digestive system is so important to the body because i.e. were heartiness is broken down and despensed in to the body.