what are not parts of the gi tract
Organs that help with digestion, but are not part of the digestive tract, include the following: Tongue. Glands in the mouth that make saliva. Pancreas. Liver. Gallbladder. Parts of other organ systems, such as nerves and blood, also play a major role in the digestive process.rgans that help with digestion, but are not part of the digestive tract, include the following: Tongue. Glands in the mouth that make saliva. Pancreas. Liver. Gallbladder. Parts of other organ systems, such as nerves and blood, also play a major role in the digestive process.