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Q: How do the placenta and the amniotic fluid help the embryo and the fetus develop?
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What is the protective sac around the developing embryo or fetus is the?

The protective sac around the embryo or fetus is the amniotic sac.


What Cushions the devoloping embryo and fetus?

The embryo or fetus is contained in a sac filled with amniotic fluid, commonly referred to as the bag of water.


What would happen to the embryo if it didn't have amniotic fluid around it?

The embryo/fetus would die.


Which parts are not present before a woman becomes pregnant?

Placenta, umbilical cord, fetus, amniotic sac with amniotic fluid. Basically everything related to the fetus.


What is the fluid-filled sac surrounding the developing embryo or fetus?

Amniotic sac


Do your water have to break to be in labor?

Amniotic fluid surrounds your baby during pregnancy.


Which of these membranes forms a protective sac that surruonds the embryo?

The amniotic sac is the sac in which the fetus develops in amniotes. Its wall is the amnion, the inner of the two fetal membranes. It encloses the amniotic cavity and the embryo.


What supplies food and oxygen for the developing embryo?

The developing embryo is nourished by the yolk sack until implantation. Upon implantation the placenta begins to develop, the placenta acts as the fetal lung , it transports oxygen to the fetus and carbon dioxide away from the fetus via the umbilical cord. The placenta also provides stored carbs for the developing fetus.


The cluster of developing cells from conception until birth is called what?

This cluster of cells change the baby grows from pre-embryo to embryo to fetus.


How is the fetus protected in the uterus?

The uterus. In placental mamals, this is via the placenta.


How long does an embryo take to develop into a fetus?

62 days


Does the placenta supply food for the developing embryo?

everything. It is the way the fetus gets all it needs from the mother and disposes of of practically all waste except heat. The fetus gets nutrients and oxygen from the placenta and the placenta filters the fetus' blood and takes out wastes