What is the name of the fluid-filled bag of thin tissue that develops around the embryo soon after implantation?

(1 point)
Responses

cervix
cervix

amniotic sac
amniotic sac

umbilical cord
umbilical cord

placenta
placenta

1 answer

The fluid-filled bag of thin tissue that develops around the embryo soon after implantation is called the amniotic sac.