It makes sure that your food is completely digested and you have absorbed all the nutrients.
About 30 feet.
a long continuous tube
5 miles long
The human digestive tract is approximately 6-9 meters long.
A cat's digestive tract is typically around 20-40 inches long, depending on the size and age of the cat. It consists of the esophagus, stomach, small intestine, and large intestine. The length of the digestive tract contributes to the efficient digestion and absorption of nutrients in cats.
food goes down the esophagus into the stomach with digestive acids and the through the small intestines so food can be absorbed then to the large intestine so water can be absorbed the left overs is what your body didn't use.
one whole frog.
Kernel corn is not digested, it is a food that most people eat whole. This is due to lack of the necessary digestive enzymes.
The anus belongs to the digestive system because, it is apart of your colon which is in the GI tract (gastro-intesntine tract).
The small intestine of a chicken is 4.5 feet in length. A chicken's esophagus is around 35 cm long, which covers 17% of the digestive tract.
Some animals have only one opening (e.g. starfish), but having two openings (input and output) permits a long "disassembly line" type of processing of food that more efficiently extracts nutrients.
Roundworm infections are diseases of the digestive tract and other organ systems caused by nematodes. Nematodes are parasitic worms with long, cylindrical bodies.