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How does a growing embryo get rid of solid wastes it produces?

April 26, 2017embryo growing produces rid solid

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How does a growing embryo get rid of solid wastes it produces?

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10 Posted

The embryo produces a membranous sac, called the “Allantois”, that balloons out from the embryo’s gut. As the embryo grows solid wastes that can’t pass through the shell are diverted into this sac, where they accumulate. Just before hatching the wastes in the allantois dry up.