Which important structure develops mainly during the embryonic stage?

Question

Quizplus · Accepted Answer

The heart is one of the most important structures that develops mainly during the embryonic stage. It begins to develop as early as the third week of embryonic development and is usually fully formed by the end of the fourth week. The heart is essential for fetal development as it pumps blood throughout the embryo, delivering oxygen and nutrients that are essential for growth and development.

Which Important Structure Develops Mainly During the Embryonic Stage