your musculoskeletal system responds to stress by tensing up your muscles. Muscle tension is a response to stress. If you've ever noticed that you're stressed out youll notice your body will naturally tense up. Once the stress passes your muscles will relax.
There are systems in your body that do interesting things but the skeletal system and the muscular system help move your body
The Three Ways Are
1. Keep your surroundings clean.
2. Wash before and after eating.
3. Visit doctors regularly.
Hope this helps.
There is so many different strands, since it's always evolving it makes it hard
