Which of the following is not a digestive gland?
Salivary glands
Pancreas
Liver
Gallbladder
The Gastrointestinal System is responsible for the breakdown and absorption of various foods and liquids needed to sustain life.
The human digestive system consists of the alimentary canal and the associated glands.
The GI tract or alimentary canal starts with the mouth and proceeds to the oesophagus, stomach, small intestine (duodenum, jejunum, ileum), and then to the large intestine (colon), rectum, and terminates at the anus.
The digestive glands include the salivary glands, pancreas and liver, and accessory organs of the gastrointestinal system that contribute materials to the small intestine.
The gallbladder is not a digestive gland, however, it stores bile juice temporarily. Hence, play a role in GI tract. Hence, the correct answer is option d.