0 the tube-like passage from the mouth, through the stomach and to the anus, through which food travels during digestion
Underweight individuals sometimes have to train their digestive tracts for some of the foods they need.
The most industrious digestive tract apparently can not digest that.
Myriads perish in the digestive tract of man and other animals.
In some cases though motions occur freely, food ingested is retained too long in the digestive tract.
Again, this rest allowed the digestive tract to heal and the pain went away.
