OPT: 1. respiration 2. babies 3. pregnancy 4. allow growth 5. penis 6. death 7. seeds 8. orchids
Q: Fact 1: Sperm had to swim from male to female reproductive organs for fertilization. Fact 2: If the egg is fertilized, it can implant in the uterus and cause pregnancy. Given the two facts above, what does sperm have to swim from male to female reproductive organs for?
A:
3.