Which of the following organ systems shows the greatest anatomical change in the transitional period after birth?
A) Muscular system
B) Integumentary system
C) Skeletal system
D) Circulatory system
E) Nervous system

Question

Quizplus · Accepted Answer

The circulatory system shows the greatest anatomical change immediately after birth, as the fetal circulation transitions to the adult pattern. This includes the closure of the foramen ovale, ductus arteriosus, and ductus venosus, which are structures that are crucial for fetal circulation but are not needed after birth.

Which of the Following Organ Systems Shows the Greatest Anatomical