Areolar Connective Tissue Location: Around blood vessels, nerves, and organs. Function: Provides strength, elasticity, support and immune system protection. Adipose Connective Tissue (Fat) Function: Store energy, provide protection, and insulate. Location: Around organs, subcutaneous layer(between skin and muscle) Reticular Connective Tissue Location: Around organs such as the liver, kidney, spleen, and lymph organs. Function: To support and hold together organs and adipose tissue (fat).