Question

identify the following structures as major or accessory structures of the digestive system. mouth pancreas stomach esophagus liver salivary glands intestines gallbladder

Explanation:

The major structures of the digestive system are parts of the alimentary canal through which food passes directly. Accessory structures aid in digestion but food does not pass through them. The mouth, stomach, esophagus, and intestines are major structures as food travels through them. The pancreas, liver, salivary glands, and gallbladder are accessory structures as they secrete substances that aid digestion but food does not pass through them.

Answer:

mouth: major structure
pancreas: accessory structure
stomach: major structure
esophagus: major structure
liver: accessory structure
salivary glands: accessory structure
intestines: major structure
gallbladder: accessory structure