II. USUUNY, The cycle lasts 28 days, but it may vary in individuals.
Directions/Instructions:
(Activity Proper)
Explain the menstrual cycle using the illustration on the next page of this
worksheet. Write your answer to corresponding box provided in the illustration.
You can choose the correct answer given below.

1.Since the beginning of the last
menstrual lining the wall of the
uterus thickens again. The ovary
ripens new egg cells and thus
begin a new menstrual cycle.
2.The mucosa of the wall of the
uterus thickens and is more
willing to accept a fertilized
egg.
3.Egg ripens 14 days before the
next menstrual period and was
ejected from the ovary into the
fallopian tube.
4.In the absence of fertilization
egg fails. The mucosa of the wall
of the uterus is swollen, peeling
off, and menstrual blood to be
excreted through the vagina.​