ANATOMY

Detailed explanation-1: -the accessory organ of digestive system include teeth, tongue gallbladder, liver etc. the question is which is NOT an accessory organ, and the answer is teeth.

Detailed explanation-2: -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-3: -Associated with the alimentary tract are the following accessory organs: salivary glands, liver, gallbladder, and pancreas.

Detailed explanation-4: -Answer and Explanation: The correct answer is option B. Large intestine.

Detailed explanation-5: -Answer and Explanation: a. filtration is NOT a function of the digestive system.