1. Male Reproductive Systems: For Discussion: True or False? 2. Sperm cells are considered by a man’s immune system as “non-self” and are attacked by a man’s own white blood cells. 1. Sperm cells in the female reproductive tract are considered by a woman’s immune system to be “non-self” and are attacked by her phagocytic white blood cells. 3.A woman, in her reproductive lifetime, has the potential to produce about 500,000 eggs, but she will only ever use about 500. 4. The average man, in a single average ejaculation of semen, emits more reproductive cells than the average woman produces in her reproductive lifetime. 5. Only one sperm may fertilize an egg in humans. 6. Only about 1 in 42,000 sperm, or 0.00238 % of the sperm in an average ejaculation reach the egg.

2. The Male Reproductive System-________ and __________ _______ _____ and__________ them, along with their ___________ _______, into the _______ ____________ _____ -________ and ________ _____ ____ _________

3. The Male Reproductive System I. Testes-_____ ________ ____ _______ -_______ ______ and _____ ____ _________ -_______ within the _________ -_____ within the __________ _______, __________ by ___________ to _________ into the _________ ____ _______ before _____ through the ________ ______, led by the _____________, which ________ the ______ to the _______ of the ________ R x – Inguinal hernia-in about ___________ of ______, the _______ of ___________ that _______ through the _________ ______ _________ _____; _________ for a _____ of _________ to be _______ through the _________ ______ under ______ _________, like getting _________ in a ________ ______

4. I. Testes R x – Cryptorchidism-_______ of ____ or _____ of the ______ to ________ into the ________, which has an _______ ____________ of about _______ (_____) -________ ______ ____________, ______ (_______) is too _____ for _______ to ________ -______-__________ _____ __________, _______ to _________ -______ to __________ _____ of _________ _______ R x – Inguinal hernia-if the _____ becomes ___________ in the ________ ______, the ______ _______ can be ____ ____, ________ a ____________ _______, in which the ______ will ____ without ________ ________ _________

5. I. Testes-structure A. Tunica albuginea-______, ______ ________ ________ ___________ each ______ and ___________ the ______ of each ______ into about _____ ________

6. I. Testes-structure B. Seminiferous tubules-each _______ ________ ____ ______ ____________ ________, each about ___ ___ _____ (____ _____ _______), which ______ to _____ the ____ _____, which in turn _____ ______ that ______ into the ___________, which __________ into the _______ _______ -_____ within the ______ of the ____________ ________ called _____________ ______ by ________ when __________ by ___________ to _______ _______ _____________, which ______ by ________ to ________ ____________

7. I. Testes B. Seminiferous tubules

8. I. Testes B. Seminiferous tubules 1. Spermatogenesis-________ of _______ within the ______ of the ____________ _______ -__________ at ________, an _______ in ___________ ________ ________ of the ________ _____________

9. I. Testes B. Seminiferous tubules 1. Spermatogenesis-from ________ to ____ ____, a _____ can ________ about ____ ________ ______ per ____, ________ _______ ______ in ______ is ____ ________ ______ per ___, _____ than ___ _______ ______ per ___ = _________

10. I. Testes B. Seminiferous tubules 1. Spermatogenesis a. Sperm structure i. Head-_____ up of the _________, which ______ the ______ to _______ its ____ into the ____, and a ______ _________ _______, which _________ ___ ____________ in their _______ ______ (_________) ii. Midpiece iii. Tail-a ______ __________

11. I. Testes R x – Testicular Cancer-________ for only about ____ of the ________ in ____ in the _____, ________ about ____ ______ _____ _____ -_____ ________ _____ of _______ in ______ ____, _____ ______, ______ from _________ ______ of ________ -______ with the ________ ________ (___________) of the _________ _______ and ________ and/or _____________ to ________ ____________ -______ _____ of the _____ -_________ is on the ____ for ___ _____, _________ is the ________ among ______ ____, _________ those of _____________ ________

12. I. Testes C. Interstitial Cells-_____ of _______ -___ between ____________ ________ in ______ -________ and _______ the _____ ____ _________ into the ____________