Check Your Understanding Direction: Choose whether the part of the reproductive system being described is for male or female. Write your answers on the answer sheets. 1. A sac-like skin that protects and controls the temperature of the testis. 2. The muscular organ that deposits the sperm to the female's vagina. 3. A canal that receives the sperm and serves as the passage of a baby during childbirth. 4. It secretes most of the fluid in semen to allow it to move freely. 5. The main organ of reproduction in females, it produces the egg cells.​