Amniotic Fluid, The Amnion, and the Yolk Sac


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Which of the four extraembryonic membranes maintains the same form and function in birds and mammals?

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1. Which of the following is crucial for proper development of a baby's lungs?

2. Which extraembryonic membrane has a well-developed vascular structure that contributes to the vascular system of the developing mammalian embryo?

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About This Quiz & Worksheet

The amniotic fluid is the cushioning fluid contained inside the amnion, and it's crucial in the proper development of a baby's lungs and limbs. This quiz and corresponding worksheet will test you on membrane forms and functions to build your knowledge of these topics.

Quiz & Worksheet Goals

Use these assessments to grasp a better understanding of the following:

  • The amnion
  • Amniotic fluid
  • The yolk sac
  • The allantois
  • The chorion

Skills Practiced

This worksheet and quiz will allow students to practice the following skills:

  • Knowledge application- use your knowledge to answer questions about chorion and how it's used by mammals to form part of the placenta
  • Distinguishing differences- understand the difference between the yolk sac and the amnion
  • Making connections- understand the concept of the amniotic fluid and the role it plays in development

Additional Learning

To review concepts related to embryonic membranes, explore the accompanying lesson on Amniotic Fluid, The Amnion, and the Yolk Sac. This lesson covers the following objectives:

  • Understanding the four extra embryonic membranes
  • Defining the sac-like membrane responsible for waste removal from the embryo
  • Defining the extra embryonic membrane that surrounds the egg yolk
  • Defining the extra embryonic membrane that surrounds the developing embryo
  • Understanding the role of the fluid contained inside the amnion