Human fertilization
The sperm and ovum unite through fertilization, creating a zygote that (over the course of 8–9 days) will implant in the uterine wall, where it will reside over the course of 9 months.
This is a diagram of human fertilization. It shows the sperm and ovum uniting through fertilization. This union creates a zygote that develops over the course of 8 to 9 days that will implant itself in the uterine wall, where it will reside over the course of 9 months.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Human Fertilization."
http://en.wikipedia.org/wiki/File:Human_Fertilization.png
Wikipedia
CC BY-SA 3.0.
