Chapter 34, Problem 5.1BGL

(a)

Summary Introduction

To label: The structures of the small and large intestines in the given figure.

Introduction: The digestive system is a complex system that involves the breakdown of complex substances into simpler ones that can be easily absorbed and assimilated by all the cells of the body. This system involves a continuous canal that starts from the mouth, through which the food is swallowed, and ends at the anus, where the waste is discarded.

(b)

Summary Introduction

To label: The structures of the large intestine in the given figure.

Introduction: The alimentary canal is a long tube-like structure that starts from the mouth, where the food is ingested, and ends at the anus, where the solid waste is excreted.

(c)

Summary Introduction

To label: The section of the anal canal in the given figure.

Introduction: The mouth or the buccal cavity is the region where the first phase of digestion occurs to form the bolus. After digestion, absorption, and assimilation, the undigested food is called feces and it is excreted through the anus.