This animated short shows the development of boys up to and during puberty. It depicts the typical external changes that occur with the onset of sexual maturity, the structure and function of the sexual organs, sperm formation and pollination.
2019
2020
2023
2014
2007
2012
2018
2024
2003
2017
2013
2011
2015
2022
2004
1944
1939
2021
2008