The outer cells of a blastocyst become the, an organ that offers protection and nourishment. Once the blastocyst has implanted in the uterus, it is called an. After eight more weeks of development, it is called a.

Question

Matilda Casey

Biology

29 January, 20:45

The outer cells of a blastocyst become the, an organ that offers protection and nourishment. Once the blastocyst has implanted in the uterus, it is called an. After eight more weeks of development, it is called a.

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Reed · Answer 1

The outer cells of a blastocyst become the placenta, an organ that offers protection and nourishment. Once the blastocyst has implanted in the uterus, it is called an embryo. After eight more weeks of development, it is called a fetus.

Corbin Haas · Answer 2

Corbin Haas 29 January, 21:10

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Answer:placenta, embryo, fetus