Where is the extracellular matrix

 In relation to these epithelial cells, where is the extracellular matrix: Above the apical membrane or below the basolateral membrane? Explain the role and makeup of the ECM.

3) The role of these epithelial cells is to facilitate nutrient absorption in the intestines. Where is the blood supply located: above the apical membrane or below the basolateral membrane? Explain.

(the pitcure below is simple columnar epithelium)