Question

the ____ enables the nutrients and oxygen to reach the developing embryo.
a blastocyst
b lanugo
c placenta
d amnion

Explanation:

The placenta is the organ that connects the mother and developing embryo, facilitating the transfer of nutrients and oxygen. Other options: blastocyst is an early embryo stage, lanugo is fetal hair, amnion is a protective membrane.

Answer:

C. placenta