By the end of the fourth gestational week, the embryo is __________ long, the head is apparent, and the eyes, nose, mouth, and ears begin to form.

Name: By the end of the fourth gestational week, the embryo is __________ long, the head is apparent, and the eyes, nose, mouth, and ears begin to form.
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Question

Quizplus · Accepted Answer

By the end of the fourth gestational week, the embryo is typically around ¼ inch long.

Note: Choices B, C, and D are incorrect as they are too large for an embryo at this stage of development.

By the End of the Fourth Gestational Week, the Embryo