Chapter 16, Problem 13RE

Summary Introduction

To determine:

The correct match from column II for the event given in column I in the process of movement of food through the alimentary canal.

Introduction:

Sphincters are the muscular structures that are responsible for blocking the movement of any object in a backward direction. They are present in the majority of the part of the body that acts as a block for the movement of different substances from one compartment to another. The sphincter helps in the storage of substances in the different parts of the body such as the urinary bladder, rectum, anus and intestine.