The ____ is the structure through which a mother and an embryo exchange waste and nutrients.
A) amnion
B) stem cell
C) germ disc
D) placenta

Name: The ____ is the structure through which a mother and an embryo exchange waste and nutrients. A) amnion B) stem cell C) germ disc D) placenta
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The placenta is the organ that develops in the uterus during pregnancy. This structure provides oxygen and nutrients to the growing baby and removes waste products from the baby's blood.

The ____ Is the Structure Through Which a Mother and an Embryo