A narrated animation of the process of ovulation. This video shows a simulation of the path an egg takes from the fallopian tubes to the uterus. [1:28]

Learn how a zygote, the single cell produced by fertilization, divides by mitosis to produce all the tissues of the human body (including germ cells, which can undergo meiosis to make sperm and eggs). [9:35]

Learn about the structure and function of egg and sperm fertilization. [11:35]

In this video [9:34] learn how a zygote, the single cell produced by fertilization, divides by mitosis to produce all the tissues of the human body (including germ cells, which can undergo meiosis to make sperm and eggs).

This lesson will explain how a zygote develops into an embryo. It is 2 of 5 in the series titled "Zygote."