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(12-03-2016, 08:27 PM)parvez Wrote: Tiger's fast twitch muscle fibres in the mouth seem to be confined where as bear's fast twitch muscle fibres are seen almost all around the face. That seems to be the difference IMO. Or can anyone clarify?
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I don't see any difference from the pictures you posted. Remember that fast-twitch fibers are whiter and slow-twitch fibers are redder.