It is during weeks 5-8 that the single heart tube of the embryo becomes partitioned into four chambers and the main vessels that leave and enter the heart form.

Question

Quizplus · Accepted Answer

This is true. During weeks 5-8 of embryonic development, the heart tube undergoes partitioning to form four chambers (two atria and two ventricles) and the major vessels (the pulmonary artery and the aorta) that enter and leave the heart are formed.

It Is During Weeks 5-8 That the Single Heart Tube