Tropomyosin and troponin and their role in regulating muscle contraction

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Uploaded by on Feb 15, 2010

Tropomyosin and troponin and their role in regulating muscle contraction. How calcium ion concentration dictates whether a muscle is contracting or not.

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  • how can one person possibly know all that stuff??

  • @AlexMeier83 everytime i watch one of these amazing videos i think the exact same thing!

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  • Thanks for your simplistic explanation of biological/physiological terms, diagrams, and functional importance! All of these videos helped get me through college level human physiology!

  • tyvm this was very helpful!

    @MrKitrid that can occur if there is way too much Vit D too

  • that differentiates you from the rest of the world my friend. so i encourage you know the stuff. dont be like the rest of the world. some people are very unfortunate and they dont even get the chance to look at videos like this even if they want to.

    when i click on this video and as soon as i see "khanacademy" i was like YES! he does a good job explaining things.

  • thx. this really helped me out!

  • @MrKitridim not sure but ivr read calcium supplementation can increse hypertrophy

  • Does this mean you can get muscle atrophy from insufficient calcium?

  • You just saved my Anatomy and Physiology exam grade.

  • Amazing...Thank you!!!

  • Great video, thank you sir!

  • YEAP I just had a simple slide to study on and on thursday I'll have an exam on this. In this depressed moment, I prayed and god let me find your videos to me. Thank you!

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