menstrual cycle

Question 1

what organ is the beginning of menstruation regulated with?

Answer 1

the pituitary gland

Question 2

at what age does menstruation commonly begin?

Answer 2

at the ages of 9-15, with 12 being average

Question 3

about every __ days, the menstruation cycle begins

Answer 3

28

Question 4

how does the cycle begin?

Answer 4

the shedding of the lining (or endometrium)

Question 5

how long does the shedding of the lining last?

Answer 5

from 2-7 days, with 5 being average

Question 6

for 4 days, the lining is very thin and an egg in an ___ begins to ripen

Answer 6

ovary

Question 7

the lining begins to thicken as a result of a hormone called _____

Answer 7

estrogen

Question 8

by the ___th day, the egg is released into the ____ _____

Answer 8

14 / fallopian tubes

Question 9

the endometrium thickens as a result of a hormone called _____

Answer 9

progesterone

Question 10

if the egg is fertilized, it settles in the ____ lining and the baby develops

Answer 10

uterus

Question 11

if the egg is not fertilized, it ____ and menstruation takes place with a new cycle

Answer 11

disintegrates

Question 12

for the first 5 days, _____ takes place

Answer 12

menstruation

Question 13

for the next 4 days, the ____ lining is very thin

Answer 13

uterus

Question 14

fo the next 5 days, the uterus lining _____ and ovulation takes place

Answer 14

thickens

Question 15

for the last 14 days, the lining becomes thicker as the ____ travels toward the ____

Answer 15

egg / uterus