Endocrine glands empty their products into ________ and are referred to as ________ glands,while exocrine gland secretions empty into ________. ducts; ducted; blood blood; ducted; cells cells; cellular; blood interstitial fluid or blood; ductless; ducts interstitial fluid; ducted; interstitial fluid

Examination of a tissue sample reveals groups of cells united by junctional complexes andinterlocking membranes. The cells have one free surface and lack blood vessels. The tissue is most likely ________ tissue. muscle connective adipose epithelial neural

Functions of epithelia include all of the following, except: storing energy reserves. producing specialized secretions. absorption. providing physical protection. controlling permeability.