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1. 
Which of the following is not a part of the male reproductive system?
A.
Penis
B.
Testes
C.
Uterus
2. 
Which of the following is not a part of the female reproductive system?
A.
Ovary
B.
Vagina
C.
Sperm duct
3. 
What are the male sex cells called?
A.
Sperm cells
B.
Scrotum
C.
Sperm ducts
4. 
Where are the male sex cells made?
A.
In the testes
B.
In the penis
C.
In the sperm ducts
5. 
What are the female sex cells called?
A.
Cilia
B.
Egg cells
C.
Cervix
6. 
About how long does the menstrual cycle take?
A.
About 5 days
B.
About 14 days
C.
About 28 days
7. 
What is ovulation?
A.
The release of a mature egg cell
B.
The loss of the lining of the uterus
C.
The joining of a male sex cell and a female sex cell
8. 
What substance passes through the placenta to the baby?
A.
Oxygen
B.
Blood
C.
Carbon dioxide
9. 
How long is gestation in humans?
A.
28 days
B.
40 weeks
C.
11 years
10. 
Which change during puberty happens to boys and girls?
A.
Hips widen
B.
Underarm hair grows
C.
Facial hair grows