Which of the Following is Not Properly Paired

Question

Which of the following is not properly paired?
A) seminiferous tubule-cervix
B) Sertoli cells-follicle cells
C) testosterone-estradiol
D) scrotum-labia majora
E) vas deferens-oviduct

Accepted Answer

Seminiferous tubules are part of the male reproductive system involved in the production of sperm, while the cervix is part of the female reproductive system involved in the passage of the baby during childbirth. They are not properly paired with each other.