Question

What is meant by amniotic fluid​
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Answer 1

Answer :-

The fluid present in the sac like structure aminion around the embryo. Embryo develops in this fluid filled cavity, which keeps it moist and protects it from mechanical injury.

Answer 2

$\to$The amniotic fluid is the protective liquid contained by the amniotic sac of a gravid amniote. This fluid serves as a cushion for the growing fetus, but also serves to facilitate the exchange of nutrients, water, and biochemical products between mother and fetus.