Answer:
Respiratory, Muscular, and Skeletal
Explanation:
There are a couple thing you can do to keep your live's separate.
1. Identify your personal boundaries
One way of doing this is setting clear boundaries and protecting your personal space. Another way is asking yourself if there is something that makes uncomfortable, if there is try to "toss it".
2. Use different social sites for different purposes
This is one of the easiest way to avoid overlap as by doing this you are separating your life's online as well.
Muscle is the answer to ur question
Bat will eat mosquitoes and other bugs which may carry bad diseases or bacteria (If your talking about Bats the species around kids?)