Your answer is...
D. Abstinence
I learned it in health class...
Aquatics may refer to: Aquatic sports in the Olympics and other international competitions, including the disciplines of swimming, diving, synchronized swimming, water polo, and open water swimming. Water-related sports more broadly (including boat racing, water skiing, swimming, etc.); see List of water sports.
Answer: your answer is b testicles
Explanation: i know this well because we just finished this sudject in my school so it is fresh in my brain
Talk to a doctor. Hope this helps