Muscles, Part 1 - Muscle Cells: Crash Course Anatomy & Physiology #21
10:24
YouTubeCrashCourse
Muscles, Part 1 - Muscle Cells: Crash Course Anatomy & Physiology #21
We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the sliding filament model. Your skeletal muscles are constructed like a rope made of bundles of protein fibers ...
已浏览 772.8万 次2015年6月8日
短视频
SHE DIDNT MOVE A MUSCLE 😭😭 #yoonchae #katseye #tour #cortis #doremi | katseye korea
0:15
已浏览 41.8万 次
SHE DIDNT MOVE A MUSCLE 😭😭 #yoonchae #katseye #tour #cortis
imnktstre1
The Bodybuilder With the Most Confusing Physique 😕💪🫃
0:41
已浏览 126.8万 次
The Bodybuilder With the Most Confusing Physique 😕💪🫃
Purvora
Muscle Women Workout
SLOVIC Pull Up Bar & Resistance Band Full Body Home Workout #homeworkout #fitness #pullups #homegym
1:03
SLOVIC Pull Up Bar & Resistance Band Full Body Home Workout #homeworkout #fitness #pullups #homegym
YouTubeHarsh Katkade Fitness
已浏览 97万 次1 周前
day 3 of making him do trends | flexing biceps trend
0:20
day 3 of making him do trends | flexing biceps trend
TikTokunhingedtabitha
已浏览 100万 次3 周前
Don Frye Discusses Men's Strength and Toughness
0:40
Don Frye Discusses Men's Strength and Toughness
TikTokmotivated.asap
已浏览 110万 次2 周前
热门视频
How To Build Muscle (Explained In 5 Levels)
21:55
How To Build Muscle (Explained In 5 Levels)
YouTubeJeff Nippard
已浏览 872.4万 次2021年7月22日
How your muscular system works - Emma Bryce
4:45
How your muscular system works - Emma Bryce
YouTubeTED-Ed
已浏览 296.5万 次2017年10月26日
Types of Tissue Part 3: Muscle Tissue
11:03
Types of Tissue Part 3: Muscle Tissue
YouTubeProfessor Dave Explains
已浏览 96.5万 次2019年1月31日
Female Bodybuilders
Miss Olympia 2024 Finals | Highlights of the biggest bodybuilding event of the season
32:37
Miss Olympia 2024 Finals | Highlights of the biggest bodybuilding event of the season
YouTubeHardcore FBB
已浏览 46万 次2024年10月13日
The Most Shredded Female Bodybuilder from USA - Michaela Aycock Motivation
3:04
The Most Shredded Female Bodybuilder from USA - Michaela Aycock Motivation
YouTubeBodybuilding For Life
已浏览 10.7万 次2024年10月27日
Top 6 Female Bodybuilder With Large Muscular Body Mass!
8:48
Top 6 Female Bodybuilder With Large Muscular Body Mass!
YouTubeABV Motivation
已浏览 5.8万 次2021年5月21日