Most absorption of nutrients occurs in the

Answer: Small Intestine.

Explanation:

jejunum, which is a part of the small intestine.

Absorption of the majority of nutrients takes place in the jejunum, with the following notable exceptions:

Iron is absorbed in the duodenum.

Vitamin B12 and bile salts are absorbed in the terminal ileum.

Water and lipids are absorbed by passive diffusion throughout the small intestine.