What is the job of the amniotic sac? (AS1)

a) Amniotic sac develops from an embryonic membrane called amnion.

b) The amnion grows around the embryo covering it entirely into a cavity.

c) This cavity is filled with a fluid called the amniotic fluid in which the embryo develops.

d) The amniotic fluid along with amniotic cavity helps in keeping the embryo moist and safe from minor mechanical injuries.

e) The amniotic sac provides cushioning whereas the fluid-filled cavity acts as shock absorber.