You are presented with the question "What is it called when male gametes are propelled because of muscle contractions?" and the following answer choices: 
- competition
 - rapid expansion
 - intercourse
 - thrusting
 - a wave
 - reproductions
 - A Greek letter
 - ejaculation

Now knowing that ejaculation occurs when muscle contractions propel sperm from the epididymes and male gametes are called sperm, choose the best answer.


 

        ejaculation 