Which of the following statements is not correct with respect to the epithelial tissue?
(1) It covers the external surface of the body and internal surface of many organs.
(2) The neighbouring cells are held together by cell junctions and there is very little extra cellular material.
(3) The epithelial cells rest on a cellular basement membrane that separates it from underlaying connective tissue.
(4) There is no blood vessel supplying the nutrients to the epithelial cells.