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 circulatory system
B) the respiratory system
C) the urinary system
D) the integumentary system

Question

Quizplus · Accepted Answer

The respiratory system is the exception to the generalization that most organ systems are fully formed and ready to function in the fetus by the sixth month. The lungs continue to develop and mature throughout the remainder of the pregnancy and even after birth.

Most Organ Systems Are Fully Formed and Ready to Function