Question

what is the muscular action that forces semen out of the urethra and out of the penis?
○ ejaculation
○ sperm
○ testes

Explanation:

The question asks for the muscular action that expels semen from the urethra and penis. Ejaculation refers to this specific muscular process. Sperm are the reproductive cells in semen, and testes are the organs that produce sperm—neither are actions.

Answer:

ejaculation