During labor, the placenta and uterus secrete _________ that excite the muscles of the uterus to engage in contractions.
A) triglycerides
B) phospholipids
C) serotonins
D) prostaglandins
Question 2
Ruby and Daniel are close friends and share their innermost thoughts and secrets with each other. They both experience warmth toward each other that arises from feelings of closeness and connectedness. Ruby and Daniel's relationship, however, lacks passion and long-term commitment. In the context of Sternberg's triangular theory of love, Ruby and Daniel's relationship can best be termed:
A) romantic love.
B) liking.
C) companionate love.
D) infatuation.