Most absorption of nutrients occurs in the

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.

Explanation:

Small Intestine.

Explanation:

jejunum, which is a part of the small intestine.

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during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.