Which is a physical benefit of practice abstinence

a physical benefit could be std prevention

A physical benefit from abstinence can be many things. Such as

0% chance of pregnancy

No spreading or receiving stds or any disease

Preventing chaffing from unsafe sex

But whatever you choose, always use protection and be comfortable with who, where, what, and how you are doing it.

answer; i believe the correct answer is (secondary prevention);

answer: i would say the brain but it seem that you have a brain.