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mouth
The opening at the end of the digestive system from which easy exit body is called the anus.
A digestive system with only one opening is called an incomplete digestive tract. Organisms with this type of digestive system ingest food and eject waste through their mouth.
the end product of digestive system is igestion
in a one opening digestive system the organism must wait for the food to be released before consuming new foods.
No bats have a one way digestive system. Food goes in the mouth, is digested, and comes out the other end. In two way digestive systems food is taken in and waste is excreted through the same opening.
yes, planarians have one opening in their digestive system
An open digestive system is one where there is an entrance "mouth" in one end of the organism and an "exit" or anus of some sort in the other end of the organism. (think of worms or people). A closed digestive system is in something like a hydra or anemone where there is just one cavity and one opening that acts as both mouth and anus.
The human digestive system when stretched out end to end is about 30 feet long.
it is the rectum;)
The pharynx is the narrow opening at the back of the mouth. It is part of both the digestive system and the respiratory system.
a digestive system with a single opening