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Actin and myosin cross-bridge cycling causes muscle contraction. Contraction may occur voluntarily of involuntarily. Voluntary contraction is controlled by the impulses generated in the brain and i... | more...

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Channels: Scientific Animations Cell Biology

Tags: contraction

Upload by: mnazirokur on 30-03-2008.

Duration: 0m 42s

Dnatube: Sciencific and Medical video site.