Human Reproduction. Battle of the sexes!!!. Are males & females all that different?. Well…….…..YES and NO. Same embryonic tissues becomes male or female reproductive organs. Male or Female???. DNA determines baby’s gender XX = Female XY = Male. All humans are female by default
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Are males & females all that different?
Well…….…..YES and NO
Same embryonic tissues becomes male or female reproductive organs.
Fetus begins with “starter parts” that could develop into either gender.
Same tissue – Same function
2-4 MILLION every day
Born with ~ 400,000 eggs
1 egg “ripens” and is released once a month
Careful coordination of hormones & body
Why a pH buffer?
Why so many sperm?
Allows for placenta to attachment
During embryo development it protects the embryo and provides a constant environment for the embryo to develop
During birth of baby it pushes the baby out by muscular contraction
Carries the ovum forward by the beating action of the cilia on its inner surface and the contraction of muscles of oviduct
For production of female gametes (ova/eggs)
For production of female sex hormones
Opening between the uterus and vagina
into thinking it’s pregnant