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

Fact 2: Endocrinology is the study of organs that produce hormones involved in fertility and reproduction.

Given the two facts above, answer the question "What swim from organs that produce hormones for fertilization?" with the following options: 
- sperm
 - toads
 - embryos
 - blood
 - humans
 - eggs
 - seeds
 - ovaries


 

 sperm        