Chapter 28.6, Problem 8MC

Summary Introduction

To determine:

The different ways in which undigested food leave the body.

Introduction:

Digestion of food involves four basic steps. First is ingestion which involves intake of food material through the mouth. Second is digestion in which complex food molecules are break down into simpler ones. Third is absorption in which digested food is absorbed by the body cells. Fourth is excretion in which undigested food is excreted out through the anus.