A fluid-filled membrane that encloses the developing embryo or fetus is called the:
A) amniotic sac
B) embryonic disk
C) fallopian tube
D) placenta

Question

Quizplus · Accepted Answer

The amniotic sac is a fluid-filled membrane that encloses the developing embryo or fetus. This sac provides protection and cushioning to the developing fetus, and also helps maintain a stable temperature and environment for fetal growth.

A Fluid-Filled Membrane That Encloses the Developing Embryo or Fetus