Concept:Amniotic fluid is the liquid that surrounds the developing foetus inside the amniotic sac.
Its main role is to act as a cushion and protect the foetus from physical harm.
Explanation:The amniotic fluid serves as a shock absorber for the foetus.
It protects the foetus from sudden blows or impacts on the mother's abdomen.
This fluid also helps keep the umbilical cord free from compression.
It further allows the foetus to move freely and helps maintain a stable temperature.
During childbirth, the fluid helps in lubrication, but that is not its primary function.
Respiration and nourishment are handled by the placenta and umbilical cord, not the amniotic fluid.
Answer:B. protection of the foetus from shock