Marion's college years are ending, and she is beginning her career. Marion finds she is better able to participate in long-term
planning than she was a few years earlier. What change does this represent? A) the beginning of the initiative vs. guilt stage
B) the lessening of menstruation-related mood swings
C) the final stages of brain development
D) the conclusion of surges of lutein-inducing hormones
Answer: on the exposed surfaces of epithelial cells? Microvilli increase the surface area of the cell, usually for absorption. The cells lining the small intestine have microvilli for that purpose. Cilia wave around to help move the external medium.
