1. The cells responsible for making inhibin are: (be specific/male AND female): 2. The passage of sperm after the straight tubules means sperm enters the: 3. The structure responsible for the production of FSH is: 4. The hormone(s) responsible for male and female secondary sex characteristics are: 5. The organ of the male reproductive system that the spongy urethra is enclosed in is: 6. The three accessory glands of the male reproductive system are:.