The psychologist is using a Token Economy because for doing something, you get a reward in exchange.
Level of importance that is because you cannot
Answer:
stratified squamous mucosa
Explanation:
The vagina is a muscular tube lined by a stratified squamous mucosa containing abundant glycogen. There is no epithelial keratin layer, but the mucosa is protected by an acid environment (lactic acid) resulting from bacterial growth on a glycogen substrate supplied by the mucosa.