In Fetal Circulation, Blood Flows from the Fetus to the Placenta

question 165

Short Answer

In fetal circulation, blood flows from the fetus to the placenta through the ____________________.

---

Definitions:

Implantation

The process by which a fertilized egg attaches to the lining of the uterus to begin pregnancy.

Uterine Wall

The muscular layer lining the uterus, which thickens during the menstrual cycle and pregnancy.

Epigenesis

The process by which genetic information is translated into the structure and function of an organism, with emphasis on the environmental influence on this process.

Biology

The science that studies living organisms and their interactions with one another and their environments.