Answer:
Using growth hormone in moderate amounts can make the heart function more efficiently.
Explanation:
Human growth hormone is used for treating numerous diseases. Some body builders start combining it with anabolic steroids, which is very dangerous and unhealthy. That's why the information about moderate amounts of HGH and good impact on heart wouldn't be told to a 18-y-old body-builder because he might consider using it ( he would think that it would benefit his health ) and maybe over-consume it and cause serious health issues.
This is True. Some STD/STI's can leave scarring on the Fallopian tube, cause infections, etc.
I think you mean sperm cell. It is called fertilization.
