Which are the organs of the digestive system

The liver, pancreas, and gallbladder are the solid organs of the digestive system. The small intestine has three parts. The first part is called the duodenum.

Explanation:

The digestive system includes hollow and solid organs. The hollow organs are the esophagus, stomach, small intestines, and large intestines. The solid organs are the liver, pancreas, and the gallbladder.

Explanation:

tracks, burrows, eggshells, nests, tooth marks, or gastroliths

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).