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

Fact 2: Gametes in males are called sperm, and in women commonly referred to as eggs.

Given the two facts above, answer the question "What swims from male to female reproductive organs in fertilization?" with the following options: 
- ovaries
 - barnacles
 - fur seals
 - eggs
 - gastropod shells
 - male gametes
 - kinetic energy
 - female gametes


 

      male gametes   