During the fourth and fifth months of pregnancy, what contributes to the division of the placenta into compartments known as cotyledons?Select one:a. Growth of fetal tissuesb. Formation of syncytial cellsc. Expansion of intervillous spacesd. Development of decidual septaClear my choice

What are the two main components of the placenta by the beginning of the fourth month of pregnancy?Select one:a. Chorion frondosum and decidua basalisb. Chorionic plate and intervillous spacesc. Decidual plate and chorionic plated. Decidua capsularis and decidua basalisClear my choice

The function of the placenta is to:

Signals for parturition originate fromA) Both placenta as well as fully developed foetusB) Oxytocin released from maternal pituitaryC) Placenta onlyD) The fully developed foetus only

he fetal half of the placenta develops from which extraembryonic membrane?Multiple choice question.AllantoisChorionYolk sacAmnion

Which of the following describes the embryonic period?Group of answer choicesall of thesethe period during which the umbilical cord developsthe period during which the major organs and structures of the organism first developthe period during which the zygote moves down to the uterus and begins to implant in the lining