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The fetus is connected by theumbilical cordto the placenta. This is the organ that develops andimplantsin the mother's uterus duringpregnancy.The growing embryo or fetus is joined to the placenta in placentalmammalsby the umbilical cord, sometimes referred to as the navel string, birth cord, orfuniculus umbilicalis. Under Wharton's jelly, the developing fetus is physically and genetically attached to theumbilical cord, which has two arteries (the umbilical arteries) and one vein (the umbilical vein) in humans. Through theumbilical vein, blood from theplacentacarriesoxygenand nutrients to the developing fetus. In contrast, the placenta receives blood that is nutrient-rich and low in oxygen from the fetalheartthrough theumbilical arteries.To learn more aboutumbilical cordclick on the given link:brainly.com/question/17928137#SPJ4...