Crash Course Biology
Circulatory & Respiratory Systems (1x27)
Data de estreia: Jul 30, 2012
Hank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function.
- Estreia: Jan 2012
- Episódios: 90
- Seguidores: 6
- Acabou
- YouTube
- Segunda-Feira às 17