If sperm had to swim from male to female organs within the body for fertilization, then sperm had to swim from male to female what for fertilization?

Answer choices:
- The flowers are pollinated
 - seed dispersal
 - that material's properties
 - produce offspring
 - Something coming from a gland
 - A compound that donates proton
 - metabolic reaction
 - Organs within the body.

 

        Organs within the body.  