The various systems and organs of the fetus develop at different stages.Which statement is most accurate?
A) Cardiovascular system is the first organ system to function in the developing human.
B) Hematopoiesis originating in the yolk sac begins in the liver at 10 weeks of gestation.
C) Body changes from straight to C-shape occurs at 8 weeks of gestation.
D) Gastrointestinal system is mature at 32 weeks of gestation.

Question

Quizplus · Accepted Answer

The cardiovascular system is indeed the first organ system to reach a functional state in the developing embryo, beginning to work at about the 3rd week of gestation. This early functionality is crucial for the growing embryo as it ensures the delivery of oxygen and nutrients and the removal of waste products.

The Various Systems and Organs of the Fetus Develop at Different