Final answer:
The majority of the digestive process occurs in the small intestine, specifically in the duodenum and jejunum.
Step-by-step explanation:
The majority of the digestive process occurs in the small intestine. The small intestine is divided into three parts: the duodenum, the jejunum, and the ileum. The duodenum is the first part of the small intestine where most chemical digestion takes place, while the jejunum is the second part and is responsible for the absorption of most nutrients.