You are presented with the question "what are some sperm?" and the following answer choices: 
- live
 - seeds
 - humans
 - slow
 - H 2 O
 - koalas
 - Loose
 - eggs

Now knowing that sperm had to swim from male to female reproductive organs for fertilization and and slow sperm is one of the leading causes of male infertility , choose the best answer.


 

    slow     