Which of the following describes the changes that occur during the 3rd week of the menstruation cycle?
a. the egg matures within the ovary.
b. the egg travels through the fallopian tube to the uterus.
c. the unfertilized egg is removed from the uterus.
d. egg travels from the ovary into the fallopian tube.

During the first stage of the menstrual cycle, the egg matures within the ovary. During the next stage, it travels from the ovary into the fallopian tube. In the third stage, the egg travels through the fallopian tube to the uterus. Finally, the unfertilised egg is removed from the uterus. Therefore, the correct answer is B.

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