Fat present below the skin surface in our body acts as a barrier against – (1) loss of heat from the body (2) loss of essential body fluids (3) loss of salt from the body (4) entry of harmful micro-organisms from the environment
(1) loss of heat from the body Explanation: A layer of body fat acts as an insulator and traps heat. The subcutis is the deepest layer of skin. The subcutis, consisting of a network of collagen and fat cells, helps conserve the body's heat and protects the body from injury by acting as a "shock absorber.