The job of the cells that line the small intestine is to help absorb nutrients from the lumen into the bloodstream. Which of the images below best match this job description?

Close examination of a tissue reveals cells that are able to lengthen and shorten (contract & relax) This tissue is probably

Close examination of an organ reveals a lining of several layers of cells. The layers can regenerate well.  One surface of the cells is open to the internal cavity of the organ and protection and absorption are its functions. The other surface of the cells is attached to a basement layer. This tissue is probably

Close examination of an tissue reveals cells with long tendrils and that have connections between the cells. Transmitting signals is probably the function. This tissue is likely