The extra embryonic structure that provides nutrition to the embryo is ______________ 1 marka) Chorion b) Placenta c) Amnion d) Umbilical cord

The ___________ provides a two-way exchange of nutrients and waste materials between the mother and the fetus.Question 9Select one:a.blastocystb.chorionic villic.embryod.placenta

By about week ten of human embryonic development, the chorion has developed into the Blank______, which secretes hormones that help maintain the pregnancy.Multiple choice question.amnionplacentaallantois

In placental mammals, the branching extension of the chorion that projects into the maternal tissues at the placenta is the Blank______.Multiple choice question.allantoischorionic villusamnionembryonic diskmesodermNeed help? Review the

Which of the following supplies nutrients to the embryos of birds and reptiles?Multiple choice question.PlacentaYolk sacChorionAllantois

The specialized organ that provides nourishment and acts as a screener between mother and the developing baby is called the __________Group of answer choicesUmbilical cordPlacentaembryoUterus