The age 18 is usually considered early adulthood but this does change based on where none lives, opinions, religion so this is not an exact number.
The duodenum in the small intestine breaks down the food. The jejunum and the ileum absorb any needed nutrients and send them into the main bloodstream, according to the Cleveland Clinic located in Cleveland, Ohio. The inner lining of the small intestine has folded back and forth to increase the surface area for a better absorption of healthy nutrients for the human body. Hope this helps, and Brainliest would be nice! : )
Answer:
I think the answer is <em>D or A</em>
Explanation:
