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Your Heart and Arteries (0:59)
Watch this video about your heart and arteries on HowStuffWorks. Scientists are searching for a gene that causes aneurysms, and what effect it may have on other areas of the heart. Learn about your heart in this video from ScienCentral.
Australian Girl Has Super Blood (1:41)
Transplant patients usually take anti-rejection drugs to stop their bodies from killing the new organ. Watch this Reuters video to see how Demi-Lee Brennan's "super blood" actually changed type, from O- to O+, to match her newly transplanted liver.
Blood Clots (15:48)
Watch this video about blood clots on HowStuffWorks. New research in deep vein thrombosis (DVT) treatment shows that combining a clot-dissolving drug with a clot removal device helps to remove blood clots in the body faster and reduces patient risk... More »
Dangerous Blood (1:47)
Watch this ScienCentral video about the dangers of blood transfusions. Blood transfusions can be a gift of life, but recent studies have revealed that transfusions may be a cause of heart attacks and deaths. Now researchers say they've figured out... More »
Digestive System: Circulatory Systems Role (0:37)
Structures in the small intestine absorb nutrients.
