Select the correct text in the passage.
which name refers to the temporary organ that develops in the uterus during pregnancy?
in humans, a woman becomes pregnant after an ovum and sperm unite (fertilization). after fertilization, a zygote forms. this zygote grows into
a fetus after the eighth week of pregnancy. the fetus receives nutrition from the placenta. the umbilical cord connects the fetus and placenta.
a sac-like structure that medical professionals call the amnion or amniotic sac envelopes the fetus. the sac contains amniotic fluid, which
cushions the fetus and protects it from harm.

zygote
placenta
umbilical coed
amnion