Question

which of the following structures assist the major structures of the digestive system?
gall bladder, small intestine, and liver
salivary glands, mouth, and esophagus
pancreas, gall bladder, and salivary glands
pancreas, stomach, and large intestine

Explanation:

The pancreas produces digestive enzymes, the gall - bladder stores and releases bile, and salivary glands produce saliva which all assist digestion. The small intestine, mouth, esophagus, stomach, and large intestine are major digestive system structures themselves.

Answer:

pancreas, gall bladder, and salivary glands