Animation of smooth muscle contraction???

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I have a test tomorrow and I don't completely understand smooth muscle contraction. :uhoh3: I really need an animation. Does anyone know of a good website where I can find an animation of smooth muscle contraction? I understand skeletal muscle contraction pretty well and there are lots of animations on the web for that one, but I can't find smooth muscle contraction.

Thanks in advance for any help!

GodivaGirl

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Specializes in acute care.

this is what I found after googling 'peristalsis'. Not sure how helpful it will be:

http://www.westga.edu/~lkral/peristalsis/

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Thank you but I need to go a bit deeper than that. I need the animation of the process. Ca activates calmodulin, calmodulin activates myosin light chain kinase, myosin light chain kinase splits ATP which causes myosin to attach to actin, etc. I can go through steps from memorization, but I need to see it to understand it. Know what I mean?

Thanks again,

GodivaGirl

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Ok, I kinda found what I need here:

http://www.youtube.com/watch?v=iX9pOmi0Cok

but there is no audio with. Anyone know where to find this with audio? Or any other animations?

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