Key Points:
In the diagram, surrounding the rest of the embryo is a fluid. That fluid is called the amniotic fluid. One function of the amniotic fluid is that it protects the embryo, the fluid which is largely water, cannot be compressed. If the fluid was squeezed, it would absorb the pressure. Any blows or hits or force applied to the uterus wall will be nullified because the amniotic fluid absorbs the pressure and prevents the embryo from getting damaged.
http://www.nlm.nih.gov/medlineplus/ency/imagepages/17008.htm |
the fluid supports the foetus as it cannot support its own weight as the bones are not calcified (hard).
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