The __________ are the last major organ system to develop during fetal life.

Question

Quizplus · Accepted Answer

The lungs are the last major organ system to develop during fetal life. They begin to form during the embryonic stage and continue to develop throughout pregnancy, with surfactant production and alveolarization occurring in the last trimester. The kidneys begin to develop around week 5 and are functioning by week 9, while the intestines and skeletal muscles begin to form during the fetal period but are well-developed by mid-pregnancy.

The __________ Are the Last Major Organ System to Develop