what is the average size of a human stomach
What is the mean size of the stomach of an adult? The average length of an adultâs stomach is 25 centimeters or 10 inches. This organ can hold up to 4.2 quarts or 4 liters of food.On the other hand, this body part has normally holds 1.5 liters of fluid.There are different factors that affect stomach volume.he average length of an adultâs stomach is 25 centimeters or 10 inches. This organ can hold up to 4.2 quarts or 4 liters of food.