Most organ systems are fully formed and ready to function in the fetus by the sixth month. Which of the following systems is the exception to this generalization because it takes longer to finish development?
A) the respiratory system
B) the urinary system
C) the circulatory system
D) the integumentary system

Question

Quizplus · Accepted Answer

The respiratory system is the exception because it continues to develop and mature until late in pregnancy and even after birth, with the lungs being one of the last organs to fully mature.

Most Organ Systems Are Fully Formed and Ready to Function