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

Fact 2: Bacteria usually cause epididymitis.

Given the two facts above, answer the question "Bacterial infection can inhibit ejaculation of what?" with the following options: 
- babies
 - sperm
 - sugar
 - animals
 - erection
 - eggs
 - humans
 - pregnancy


 

  sperm       