I believe C, because if you predict something and totally believe it, you'll probably stop listening
The human body is a complex and (dependent on each other) series of systems<span>. </span>The circulatorysystem is the center of all life for the body because it moves blood<span>, </span>oxygen<span>, </span>food<span>, </span>and waterthroughout the body<span>. </span>If the circulatory system is not functioning properly<span>, </span>nearly all the othersystems in the body will suffer<span>. </span>This interconnectedness is one of the reasons that overall health must always be kept in mind as we grow older to preserve the quality of our lives.<span> does this work?</span>
