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Sep 20, 2015 at 19:43 history edited Cornelius CC BY-SA 3.0
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Aug 5, 2014 at 13:57 vote accept CaptainCodeman
Aug 3, 2014 at 17:52 comment added Cornelius @CaptainCodeman the veins that bulge on the surface of the body part you are exercising are superficial veins. Because muscle contracts, profound veins are getting flat and the only way for blood to return to the heart is the superficial colateral venous system. And yes, it will draw also blood from your legs, from the abdominal veins etc.
Aug 3, 2014 at 17:49 comment added CaptainCodeman But veins also bulge and get bigger when you exercise; do you mean that if I exercise my arms it draws blood from the veins of my legs?
Aug 3, 2014 at 9:44 history edited Cornelius CC BY-SA 3.0
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Aug 3, 2014 at 9:37 history answered Cornelius CC BY-SA 3.0