Q: What structure consists of an outer layer of cells called the trophoblast and an inner cell mass called the embryoblast?


Read this paragraph and choose the correct option from the provided answers:

Blastocyst. The blastocyst consists of an outer layer of cells called the trophoblast and an inner cell mass called the embryoblast. The blastocyst fluid-filled cavity is also known as the blastocoel or blastocoele.

 Choices:

- nucleus

- cytoplasm

- cell wall

- blastocyst


A:
blastocyst