Weightlessness and Blood Circulation. This is a 6 pages paper on the effect of weightlessness on the circulatory system in MLA format with 6 references that states and proves that the zero gravity reduces blood flow in the body causing dizziness and fainting of people on space flights but has no lasting effects once returned to earth. 6 pgs. Bibliography lists 6 sources. Pages: 6 Bibliography: 6 source(s) listed Filename: 4347 Weightlessness Blood Circulation.doc Price: 53.70