Fact 1: Ejaculation occurs when muscle contractions propel sperm from the epididymes.

Fact 2: An ejaculation occurs as the muscles around the prostate gland and the penis contract.

Given the two facts above, answer the question "What happens when muscles around the prostate gland contracts?" with the following options: 
- 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


 

     Sperm leaves the epidiymes    