You are presented with the question "What happens when muscles around the prostate gland contracts?" and the following answer choices: 
- preventing heat transfer
 - The bending of a ray of light
 - Generating heat
 - Warm air moving into cold air
 - Sperm leaves the epidiymes
 - heat produced
 - Release energy
 - rapid expansion

Now knowing that ejaculation occurs when muscle contractions propel sperm from the epididymes and an ejaculation occurs as the muscles around the prostate gland and the penis contract, choose the best answer.


 

     Sperm leaves the epidiymes    