2 Mùa
81 Tập phim
Crash Course Biology - Season 2 Episode 44
When you think about the body’s infrastructure, you probably think of bones. But what about the heart, the blood vessels, and the lymphatic system? In this episode of Crash Course Biology, we’ll tour the cardiovascular, lymphatic, and musculoskeletal systems, learning how all of them keep a vertebrate’s inner workings connected, powered up, and ready to move.
- Quốc gia : United States of America
- Thể loại : Documentary
- Giám đốc :
- Diễn viên : Samuel Ramsey
