Content of umbilical cord:
High-Yield Explanation
Ans. (a) 2 artery, 1 veinRef: LB. Singh 9th ed. 159"Remember 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