You are presented with the question "For men, orgasm occurs when climax causes muscles to contract and release what?" and the following answer choices: 
- energy
 - movement
 - nerves
 - forces
 - Energy.
 - oxygen
 - frustration
 - ejaculate

Now knowing that ejaculation occurs when muscle contractions propel sperm from the epididymes and for men, orgasm generally climaxes in the ejaculation of semen, which contains millions of sperm, choose the best answer.


 

        ejaculate 