Most mechanical breakdown of food occurs in the

Question

Quizplus · Accepted Answer

Mechanical breakdown of food occurs in the mouth during chewing and in the stomach as the food is mixed by muscular action.By the time food reaches the large intestine,it is already broken down,and most of the nutrients have been absorbed.The liver and pancreas produce secretions that help with chemical but not mechanical breakdown of food.Food passes through the esophagus largely unchanged,and so the esophagus is not involved in breakdown.

Most Mechanical Breakdown of Food Occurs in the