The Zero Home Page. 1  In our paychecks, zeros are critical. 2  We all like to see lots of zeros lined up on a check. 3  Speaking of lines, there would be a big hole in the number line if there was no zero, you could fall through and get hurt.
[Continued from above] . . . Unlike the rest of the large intestine, however, the submucosa of the appendix contains many masses of lymphoid tissue. The presence of lymphoid tissue suggests that the appendix may play a role in the immune system in addition to the digestive system. What Does the Appendix Do? The appendix is not a vital organ and medical researchers still debate its exact function in our bodies. One hypothesis suggests that it is a vestigial remnant of a once larger cecum. This larger cecum would have been used by vegetarian ancestors to digest cellulose from plants.
Deciding what to include when writing an appendix. A written appendix works in much the same way as an appendix in the human digestive system - remove it, and the body will still function perfectly well without it. A written text must also function independently of its appendix.