2 Сезон
81 Епізод
Crash Course Biology - Season 2 Episode 25 Серія 25
Even though it might seem like our bodies are on autopilot, there is a whole lot happening inside us to keep things moving. In this episode of Crash Course Biology, we’ll learn that our cells are in constant communication, reminding each other—and themselves—to perform important functions like breathing, walking, or even sleeping.
- Країна : United States of America
- Жанр : Documentary
- Директор :
- Актори : Samuel Ramsey
