Show your beginning biologists and anatomists this clip to cover the male reproductive system. This presentation is narrated, dealing with the male structures and functions of the reproductive system. Testosterone is covered in detail...

See how an X or Y chromosome carried by a sperm cell, determines the sex of the offspring in this video. [5:52]

This exploration of human reproduction continues with a look at testicular anatomy, the steps of sperm production, and how it's influenced by gonadotropin and testosterone. [10:44]

This lesson will identify the steps and hormones involved in sperm formation. It is 2 of 4 in the series titled "Sperm Formation."

This lesson will identify the process in which sperm is formed.