What makes muscles grow? – Jeffrey Siegel

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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 …

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20 Responses

  1. amicst says:

    so interesting

  2. Flash Man says:

    So much bro science in this video.

  3. Flash Man says:

    So much bro science in this video.

  4. Flash Man says:

    So much bro science in this video.

  5. Carter Allen says:

    Very informative, thank you.

  6. Noon develop odds ttixf script ritual

  7. Where da bodybuilding crowd at?

  8. Noor Chishti says:

    this is a nice vid

  9. certainly 4:20 don't make you healthy like this.

  10. i eat so much but i m still thin. never went to gym but i do walk a lot. i am 6 feet and 65 kg 🙁 . it hurts..

  11. MacDaddy635 says:

    That purple dude skips leg day

  12. animal protein isnt healthy

  13. ZADE says:

    This is a fantastic video!

  14. is it only me here having pizza while watching this ?

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