Question

Menstruation does not occur if the
A. uterine lining thickens.
B. estrogen level falls.
C. progesterone level falls.
D. egg is fertilized.

Answer 1

@AcidRa1n

Answer 2

egg is fertile!

Answer 3

Arent you a girl! you should know that!

Answer 4

:P

Answer 5

lol i suppose i should lol

Answer 6

for people who need help and don't want to ask these......awkward questions here are the answers.:
1. Menstruation does not occur if the ..

ANSWER: D

2. Which part of the sperm cell contains mitochondria necessary to power its trip through the reproductive system?

ANSWER: B

3. Which structure produces sperm?

ANSWER: D

4. Which structure protects and nourishes the embryo?

ANSWER: B

5. Which structure carries a mature egg from ovary to uterus?

ANSWER: C