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

Fact 2: Again, ejaculation is a sympathetic function.

Given the two facts above, answer the question "what type of function occurs when muscle contractions propel sperm from the epididymes?" with the following options: 
- motion
 - rapid expansion
 - kinetic
 - sympathetic
 - mechanical
 - movement
 - animal transport
 - matter vibrating


 

    sympathetic     