Question 23
Reproduction in AnimalsAn illustration of a human male reproductive system is shown. Which of the labelled parts can be cut to ensure permanent sterility?
- A.I
- B.II
- C.III
- D.IV
Show the answer and explanation
Answer: B (II)
Explanation
II is the sperm duct (vas deferens); cutting and tying it (vasectomy) stops sperm leaving the testes.