Examine the statements below and choose the correct answer:
 
1.
Statement 1: If fertilization does not occur, corpus luteum breaks down.
Statement 2: If fertilization occurs, corpus luteum breaks down.
 
2.
Statement 1: The placenta is an association between the developing embryo and the mother.
Statement 2: The umbilical cord connects the foetus and the placenta.
 
3.
Statement 1:The first menstruation at puberty is called menopause.
Statement 2:The first menstruation at puberty is called menarche.