The initial formation of a primitive heart would take place during the _____ period of development.

Question

Quizplus · Accepted Answer

The formation of the heart occurs during the embryonic period, which is the third to eighth week of development. During this period, the heart forms from the mesoderm layer and begins to beat by the end of the fourth week. The other periods listed (zygotic, germinal, and fetal) do not involve the development of major organs or systems such as the heart.

The Initial Formation of a Primitive Heart Would Take Place