Anatomy & Physiology of Pregnancy


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From the beginning of a pregnancy, the environment inside the mother's uterus changes to create the perfect surrounding of protection, development and nourishment of the growing fetus. The layers and tissues that surround the fetus are collectively known as the:

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1. The allantois becomes which structure or structures that allow the transport of essential nutrients and other materials to and from the fetus?

2. How would you describe the purpose and function of the amnion and amniotic fluid?

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About This Quiz & Worksheet

The anatomy and physiology of a human pregnancy is very complex and this quiz and corresponding worksheet test your knowledge on the structure and function of the extraembryonic membranes. Amnion, allantois, yolk sac, chorion, placenta and umbilical artieries are all vocabulary terms to know.

Quiz & Worksheet Goals

After you complete this lesson you will be assessed on your understanding of the function of each of the following:

  • Amnion
  • Allantois
  • Amniotic fluid
  • Umbilical cord
  • Chorion
  • Yolk sac
  • Chorionic villi

Skills Practiced

This quiz and worksheet will test the following skills:

  • Reading comprehension - understand the function and location of the amnion
  • Making connections - follow the transformation of the allantois to the umbilical arteries and veins after the placenta forms
  • Defining key concepts - list the functions of the amniotic fluid
  • Information recall - name the membrane that secretes a hormone detected by home pregnancy tests
  • Knowledge application - explain how nutrients are passed from the mother to the fetus

Additional Learning

To learn more about human pregnancy, review the following lesson called, Anatomy & Physiology of Pregnancy. This lesson will provide information on the following objectives:

  • Explain the functions of amniotic fluid
  • Identify the membranes that surround the developing fetus
  • Know how a fetus receives nutrients and eliminates waste
  • Understand how the allantois transforms into umbilical arteries and veins
  • Identify the hormone secreted by the chorion