How the Body Works : Sperm Transport

How the Body Works Sperm Transport

There are more than 350 million sperm in a single ejaculate, but only one sperm fertilizes an ovum. In the vagina the mucus in the semen must be dissolved by enzymes before the sperm can move. The initial reduction of sperm occurs at the cervix and about one million sperm enter the uterus. Uterine contractions carry the sperm toward the Fallopian tube, but only one thousand enter. Although about one hundred sperm reach the ovum, only one sperm fuses with its nucleus.

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• Sperm
• Transport

[Jc3intelligent]

the reason why you would have twins is either the fertilized egg splits into two seperate eggs,or that two eggs were in the falopian tube at the same time. when the egg splits into two,they're called identical twins,and iff the 2 seperate eggs are in the fallopian tube,then they are fraternal twins.

[rob80nikki]

awesome

[TheBigboy46]

i hate sperm, that is why i got a vasectomy so my sperm can't reach an egg.

[CityHunter84]

wombs smell nice

[Crazydoll91]

Lol didnt you know that ? HAHA :D

[Raven4511]

Really? Oh! Therefore I am a lucky sperm? Hehe! LOL!

[paktype]

Wow, if you're a sperm cell, you don't have a very good shot at making it all the way to the egg, do you?

[Pink1Popup1Book]

well if your going to have twins 2 sperm could go..

[frikeykrap]

ok cool and interesting