The four stages of food use in animals and the sites of these four stages in the human digestive tract. Concept introduction: The stages by which animals use food and acquire energy from the food are collectively known as food processing. Food provides energy to an animal for the metabolic activities and growth and development of the body.

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Chapter 32.1, Problem 3MC

Summary Introduction

To determine:

The four stages of food use in animals and the sites of these four stages in the human digestive tract.

Concept introduction:

The stages by which animals use food and acquire energy from the food are collectively known as food processing. Food provides energy to an animal for the metabolic activities and growth and development of the body.

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