The extraembryonic membrane that contains fluid to cushion and protect the embryo is the Blank______.Multiple choice question.yolk sacallantoisamnionchorion

Multiple Choice QuestionThe extraembryonic membrane that is the first site of blood cell formation in mammals is the Blank______.Multiple choice question.allantoisyolk sacamnionchorion

The extraembryonic membrane that contributes blood vessels for the formation of the umbilical cord in mammals is the Blank______.Multiple choice question.allantoischorionamnionyolk sac

What is the inner membrane that encloses the embryo in fluid called?Multiple choice question.AllantoisYolk sacAmnionChorion

Extraembryonic membranes are formed from Blank______ cells located Blank______ of the body of the embryo.Multiple choice question.maternal; insideembryonic; insidematernal; outsideembryonic; outside

The ________Blank is the first embryonic membrane to appear, and it is the first site of ________Blank.Multiple Choiceamnion; umbilical cord formationyolk sac; placenta developmentchorion; neural system developmentallantois; amniotic fluid formationyolk sac; blood cell formation