What makes muscles grow? - Jeffrey Siegel
4:20
YouTubeTED-Ed
What makes muscles grow? - Jeffrey Siegel
View full lesson: https://ed.ted.com/lessons/what-makes-muscles-grow-jeffrey-siegel We have over 600 muscles in our bodies that help bind us together, hold us up, and help us move. Your muscles also need your constant attention, because the way you treat them on a daily basis determines whether they will wither or grow. Jeffrey Siegel ...
已浏览 2306.4万 次2015年11月3日
短视频
The Muscular System
8:28
已浏览 136.5万 次
The Muscular System
Professor Dave Explains
Skeletal Muscle Tissue: Contraction, Sarcomere, Myofibril Anatomy Myology
6:00
已浏览 49.6万 次
Skeletal Muscle Tissue: Contraction, Sarcomere, Myofibril Anatomy Myology
RegisteredNurseRN
Regular Show Funny Moments
Regular Show - Most Funniest Moments
14:43
Regular Show - Most Funniest Moments
YouTubeRegularShowASK
已浏览 321.7万 次2021年4月8日
Regular Show- Actual Funniest Moments Compilation (HD)
17:57
Regular Show- Actual Funniest Moments Compilation (HD)
YouTubejack's kinder box
已浏览 148.6万 次2022年11月9日
Crazy and Funny Moments! | MEGA Compilation | Regular Show | Cartoon Network
3:06:14
Crazy and Funny Moments! | MEGA Compilation | Regular Show | Cartoon Network
YouTubeRegular Show
已浏览 50.8万 次8 个月之前
热门视频
Muscles, Part 1 - Muscle Cells: Crash Course Anatomy & Physiology #21
10:24
Muscles, Part 1 - Muscle Cells: Crash Course Anatomy & Physiology #21
YouTubeCrashCourse
已浏览 778.3万 次2015年6月8日
How To Build Muscle And Lose Fat At The Same Time: Step By Step Explained (Body Recomposition)
10:49
How To Build Muscle And Lose Fat At The Same Time: Step By Step Explained (Body Recomposition)
YouTubeJeff Nippard
已浏览 1667.7万 次2019年11月2日
How your muscular system works - Emma Bryce
4:45
How your muscular system works - Emma Bryce
YouTubeTED-Ed
已浏览 299.1万 次2017年10月26日
Regular Show Characters
Iconic Regular Show Characters (Compilation) | Regular Show | Cartoon Network
2:59:07
Iconic Regular Show Characters (Compilation) | Regular Show | Cartoon Network
YouTubeRegular Show
已浏览 58.7万 次2024年9月15日
Weird Regular Show Characters (Compilation) | Regular Show | Cartoon Network
3:19:22
Weird Regular Show Characters (Compilation) | Regular Show | Cartoon Network
YouTubeRegular Show
已浏览 31.6万 次2024年9月4日
Season 1 - 4 Best Episodes (Compilation) | Regular Show | Cartoon Network
3:19:06
Season 1 - 4 Best Episodes (Compilation) | Regular Show | Cartoon Network
YouTubeRegular Show
已浏览 262.6万 次2024年7月7日