The jejunum and ileum are held in the abdominal cavity by a fan-like tissue called the ________, which is attached to the posterior wall of the abdomen.

Mesentery

The fan-like tissue that attaches the jejunum and ileum to the posterior abdominal wall.

Jejunum

The middle section of the small intestine between the duodenum and ileum, where the absorption of nutrients continues.

Ileum

The third and final section of the small intestine, where most of the nutrients from digested food are absorbed.