How does the length of the small intestine assist digestion? The length ensures that nutrients are absorbed quickly into the bloodstream.

The length increases the surface area so that it can better absorb nutrients.

The length ensures that enough digestive juices are available to break down food.

"The length increases the surface area so that it can better absorb nutrients" is the one among the following choices given in the question that describes how the ength of the small intestine assist digestion. The correct option among all the options that are given in the question is the second option.