# Physical Aspects of Puberty

Animated explanation of primary and secondary sex characteristics in adolescent boys and girls.

- Kind: Cartoon
- Year: 1953
- Runtime: 16 min
- By: Crawley Films
- Genres: Animation, Education, Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/Physical1953)
- Licence or status: [Public domain (Creative Commons dedication)](http://creativecommons.org/licenses/publicdomain/) (as the archive states it)
- Who can watch: Adult profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

Not offered: its uploader marks it public domain, and the US Copyright Office's records do not settle that it is (a record that may be another film's, a film first published abroad, a year when renewal was automatic, or a country they do not name). Unclear is not offered.