1.What is ovulation?, 2.What is fertilization?, 3.What is menstruation?, 4.Where does fertilization take place?, 5.What happens to the embryo when it arrives at the uterus?, 6.What does the endometrium get thick for?, 7.How many days does the menstrual cycle last?, 8.How many weeks does a pregnancy last?, 9.What happens with the egg cell when it is not fertilized?, 10.What are the three names a fertilized egg is called during pregnancy?, 11.What is a zygote?, 12.How long is it the stage of an embryo? (since____ weeks to _____ weeks?), 13.How long is it the stage of a fetus? (since ______ weeks to ____ weeks?).

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