If sperm had to swim from male to female reproductive organs to be implanted in the uterus, then sperm had to swim from male to female reproductive organs to be what?

Answer choices:
- produce offspring
 - ejaculated during reproduction
 - implanted and swabbed
 - allow growth
 - mate with females
 - implanted in the uterus
 - implanted in the cheek
 - more abundant

 

      implanted in the uterus    