Muscles, Part 1 - Muscle Cells: Crash Course A&P #21

[jimbosmith316]

<iframe width="560" height="315" src="https://www.youtube.com/embed/Ktv-CaOt6UQ" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

 

[BigZ]

You should post this to the video area.