HUMAN NUTRITION

Detailed explanation-1: -The gastrointestinal tract consists of the oral cavity, pharynx, esophagus, stomach, small intestine, and large intestine. The accessory organs are the teeth, tongue, and glandular organs such as salivary glands, liver, gallbladder, and pancreas.

Detailed explanation-2: -The spleen is not part of the digestive system. It is a part of the circulatory system and the immune system.

Detailed explanation-3: -The salivary glands, liver and gall bladder, and the pancreas aid the processes of ingestion, digestion, and absorption. These accessory organs of digestion play key roles in the digestive process.

Detailed explanation-4: -Answer: The stomach has the capability of performing all the functions in the list except for completion of digestion of fats. The stomach does not complete the digestion of fat.