The heart begins to beat in the _____ stage of prenatal development.
A)germinal
B)embryonic
C)zygotic
D)fetal

Question

Quizplus · Accepted Answer

The heart begins to beat during the embryonic stage of prenatal development, which lasts from the second week to the eighth week after conception. During this time, the developing embryo undergoes rapid cell division and differentiation, and the basic structures of the body begin to form. It is during this stage that the heart starts to develop and begins beating, although it is still very small and primitive.

The Heart Begins to Beat in the _____ Stage of Prenatal