Fact 1: Sperm had to swim from male to female reproductive organs for fertilization.

Fact 2: And slow sperm is one of the leading causes of male infertility .

Given the two facts above, answer the question "what are some sperm?" with the following options: 
- live
 - seeds
 - humans
 - slow
 - H 2 O
 - koalas
 - Loose
 - eggs


 

    slow     