By measuring telomeres, some scientists believe they can determine biological age, which doesn't always equal chronological age. That means some people may be biologically older or younger than their age, said Jerry Shay, professor and vice chairman of cell biology at UT Southwestern Medical Center in Dallas.
It is of ectodermal origin and is continuous with the skin at various body openings such as the eyes, ears, nose and mouth, the urethral opening and the anus. Some mucous membranes secrete mucus, a thick protective fluid. The function of the membrane is to stop pathogens and dirt from entering the body and to prevent bodily tissues from becoming dehydrated.
The mucous membrane provide lubrication and prevent infection   Consider where mucous membranes are located and it might become clearer what they do.Our mouths, noses, ea â¦ rs and ventral openings (both of them) have mucous membranes.he moucous membranes in your body protect certain organs, like the  inside of your stomach, from various things. By being able to  secrete and absorb substances, the organs â¦ these membranes are  around are protected.