Your skin is made up of two layers the epidermis and the dermis. The epidermis produces an oily protein that repels water. When you soak in the bathtub for a long time or Swim for a long time the protein is sloughed off. As a result, your skin cells begin to swell from the excess water and they look wrinkled. what type of transport is this?
A.)Isotonic
B.)Hypertonic
C.)Hydrotonic
D.)Hypotonic