On the 28th day of embryonic development, the human brain resembles a
A) hollow tube.
B) shallow plate.
C) series of ridges.
D) series of increasingly larger rectangles.
E) round balloon.

Question

Quizplus · Accepted Answer

At 28 days of embryonic development, the human brain is in the neural tube stage, which is a hollow tube-like structure that will eventually develop into the brain and spinal cord. Therefore, choice A is the best answer.

On the 28th Day of Embryonic Development, the Human Brain