Male and Female AnatomyMale and Female Anatomy

Are You Ready?Are You Ready?

Male Reproductive SystemMale Reproductive System

PenisPenis TesticlesTesticles SpermSperm ScrotumScrotum EpididymisEpididymis Vas DeferensVas Deferens

UrethraUrethra Seminal vesiclesSeminal vesicles Prostate glandProstate gland Cowpers glandCowpers gland EjaculationEjaculation SemenSemen CircumcisionCircumcision

Sperm PartsSperm Parts

Female Reproductive Female Reproductive SystemSystem

OvariesOvaries Egg cellsEgg cells OvulationOvulation Menstrual Menstrual

cyclecycle UrethraUrethra

Fallopian tubesFallopian tubes UterusUterus CervixCervix VaginaVagina ConceptionConception

Egg Cell PartsEgg Cell Parts

http://images.google.com/imgres?imgurl=http://www.socalfertility.com/media/ivf-egg-retrieval.jpg&imgrefurl=http://www.socalfertility.com/age-and-fertility.html&h=146&w=205&sz=5&hl=en&start=29&tbnid=qUFxEcFtJsU8-M:&tbnh=75&tbnw=105&prev=/images%3Fq%3Dfemale%2Breproductive%2Begg%26start%3D20%26ndsp%3D20%26svnum%3D10%26hl%3Den%26lr%3D%26safe%3Dactive%26rls%3DGGLR,GGLR:2005-41,GGLR:en%26sa%3DN

FertilizationFertilization

Sperm Fertilizing an EggSperm Fertilizing an Egg

"Three days after fertilization a human egg "Three days after fertilization a human egg has divided into eight 'totipotent' cells, four has divided into eight 'totipotent' cells, four

of which are visible here, surrounded by of which are visible here, surrounded by smaller cells..."smaller cells..."

Third dayThird day

Fourth weekFourth week

Human FetusHuman Fetus