<prompt> Vessels in umbilical cord:1 artery, 2 vein2 arteries, 1 vein1 artery, 1 vein2 arteries, 2 vein  <response>: Ans. b 2 arteries, 1 veinRef: LB. Singh 9th ed.159Remember 2AV Umbilical cord is the structure which connects mother to fetus and acts as a bridge for transfer of blood and other nutrients from mother to baby. It contains 2 arteries and one vein. Arteries carry deoxygenated blood from fetus to mother while vein carry oxygenated blood from mother to fetus. Cord contains whartons jelly and structures embedded in this are: 2 arteries and 1 vein Allantois and remains of vitellointestinal duct 