Which of the following is a fluid-filled membrane that surrounds the unborn baby and provides protection?

Question

Quizplus · Accepted Answer

The amniotic sac is a fluid-filled membrane that surrounds the unborn baby during pregnancy and provides protection against physical impact. It also helps regulate the temperature and provides buoyancy for the fetus. The placenta is an organ that develops during pregnancy and provides oxygen and nutrients to the growing fetus. The trophoblast is an outer layer of cells that forms at the beginning of pregnancy and helps to implant the fertilized egg in the uterus. The blastocyst is an early stage of embryonic development, before the formation of the amniotic sac and placenta.

Which of the Following Is a Fluid-Filled Membrane That Surrounds