1. Sperm production begins in the 
seminiferous tubules.
epididymis.
vas deferens.
ejaculatory duct.

2. The cell produced by fertilization is called
gamete.
embryo.
fetus.
zygote.

3. The production of testosterone in the interstitial cells is stimulated by
inhibin.
luteinizing hormone (LH).
follicle-stimulating hormone (FSH).
progesterone.

4. Sperm maturation occurs in the 
seminiferous tubules.
epididymis.
vas deferens.
urethra.

5. The layer of the uterine wall that is shed during menstruation is the
endometrium.
myometrium.
epimetrium.
None of the above.

6. The external genitalia of the female are collectively called
labia.
vulva.
clitoris.
mons pubis.

7.The hormone that works with estrogen to prepare the endometrium for implantation of a fertilized egg is
LH.
FSH.
ADH.
progesterone.

8. The average menstrual cycle is
14 days.
18 days.
24 days.
28 days.

9. The structure between the uterus and the vagina is the
uterine tube.
cervix.
vulva.
hymen.

10. The hormone that stimulates uterine contractions is
oxytocin.
estrogen.
granular cell carcinoma.
progesterone.