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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 ...
7.7M viewsJun 8, 2015
Shorts
Reach your body goals - whether it's weight loss or muscle gain 💪 Stick to this simple plan to succeed: 1. Take a 1-minute quiz 📊 2. Get a workout plan based on weight, height, age, daily activity and fitness conditions 📲 3. Follow the program 😎 | Zing Fitness Coach
0:57
1.3M views
Reach your body goals - whether it's weight loss or muscle gain 💪 Stick to this
Zing Fitness Coach
Reach your body goals - whether it's weight loss or muscle gain 💪 Stick to this simple plan to succeed: 1. Take a 1-minute quiz 📊 2. Get a workout plan based on weight, height, age, daily activity and fitness conditions 📲 3. Follow the program 😎 | Zing Fitness Coach
0:33
3.1M views
Reach your body goals - whether it's weight loss or muscle gain 💪 Stick to this
Zing Fitness Coach
Muscle Worship
MORE MUSCLES TO WORSHIP
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MORE MUSCLES TO WORSHIP
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Ripped to bones. Muscle Stud Shows Off. Muscle worship and moore!
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Ripped to bones. Muscle Stud Shows Off. Muscle worship and moore!
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