THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -The correct option is A liver. The digestive system of humans consists of: The alimentary canal includes the buccal cavity, oesophagus, stomach, small intestine large intestine, rectum and anus. Whereas liver is an accessory glands which plays supportive role in the process of digestion.

Detailed explanation-2: -Organs that help with digestion, but are not part of the digestive tract, are the: Tongue. Glands in the mouth that make saliva. Pancreas.

Detailed explanation-3: -The organs that food and liquids travel through when they are swallowed, digested, absorbed, and leave the body as feces. These organs include the mouth, pharynx (throat), esophagus, stomach, small intestine, large intestine, rectum, and anus.

Detailed explanation-4: -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.