Wrinkles in individuals are the result of
A) increased production of epidermal layers.
B) loss of elastic fibers in the reticular layer of the dermis.
C) increased keratinization of the epidermis.
D) the loss of glands and hair follicles from the skin.
E) decreased thickness of the dermis.
B
You might also like to view...
Water can diffuse through a cell membrane
Indicate whether the statement is true or false
A strong acid reacting with a strong base produces a salt
Indicate whether the statement is true or false
Cells that process antigen and present antigens to other immune cells are called ________ cells.
A. antigen-presenting B. plasma C. T suppressor D. B receptor
Why is it difficult for "weightless" astronauts in space to know whether they are right side up or upside down?
A) They can't see a horizon. B) The direction in which they are traveling changes rapidly. C) Maculae that report head position depend upon the gravitational pull on the otoliths. D) Sunrise and sunset are no longer linked to a 24-hour day.