We have the seacum, we have the colon, and we have the rectum. And we also have a section known as the anus. And we'll see exactly what that is in just a moment. So let's begin by describing the anatomy and the position of the small intestine inside our body. So basically, within this section that is not shown, we have the small intestine. And the final portion of the small intestine is known as the ilium.