Which of the following happens in the critical period that occurs in the third through fifth weeks of a pregnancy?
A) The development of the lungs
B) The development of the heart
C) The development of arms and legs
D) The development of the stomach

Question

Quizplus · Accepted Answer

During the third through fifth weeks of pregnancy, the heart begins to develop. This period is crucial for the formation of the basic structure of the heart, which will continue to develop and become more complex throughout the pregnancy.

Which of the Following Happens in the Critical Period That