eSchool Today
E School Today: Your Cool Facts and Tips on Sexual Reproduction
The basics of how humans reproduce is covered here. Learn about female and male reproductive organs, mating, fertilization, how a fetus develops, and birth.
CK-12 Foundation
Ck 12: Life Science: Fertilization
[Free Registration/Login may be required to access all resource tools.] The sperm and egg don't look anything like a human baby. After they come together, they will develop into a human being. How does a single cell become a complex...