The placenta.
Amniotic fluid is a separate fluid that surrounds and protects the developing fetus in the womb. It is not urine.
the solvent
The envelope of thin tissue that surrounds the developing embryo is called the amniotic sac. It is filled with amniotic fluid, providing protection and cushioning for the developing fetus during pregnancy.
The rind is colored with annatto
Cytoplasm
a thick layer of a skin like substance called fad
Respiration ;)
A fluid-filled sac that surrounds an embryo is called an amniotic sac. This sac contains amniotic fluid, which provides protection and cushioning for the developing embryo.
exocytosis
exocytosis
Exocytosis.
A cell membrane is a substance that surrounds a cell. hope this helped! :P