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 is about 1/4 inch in length and the head, eyes, nose, mouth, and ears begin to form. The other options are not correct as the embryo's length does not reach 4-12 inches until later stages of development.

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