By the end of the fourth week the embryo's head is apparent and the eyes,nose,mouth,and ears begin to form.How long is the embryo at this point?

Question

Quizplus · Accepted Answer

At the end of the fourth week, the embryo's head is beginning to form, and it is only around ¼ of an inch in length. It is still very small and in the early stages of development. Choices B, C, and D are much too large for an embryo at this stage.

By the End of the Fourth Week the Embryo's Head