Answer:
the immune system attacks the protective sheath (myelin) that covers nerve fibers and causes communication problems between your brain and the rest of your body.
Explanation:
Answer: here please read the Difference between Natural gas and fresh air...
Explanation:
1)
Overload PrincipleTo make improvements in your fitness you need to overload your body. You need to stress or challenge the bodily system (aerobic/musculoskeletal) beyond what it is used to.
2) Specificity Principle
Your exercise program must be specifically related to your training goals.
3)
Individuality Principle
"Everyone is different, which means everyone is special)
4) Reversibility Principle
Not being as good as something as you used to.
If the disease is communicable, it is contagious. If it is airborne, it is transferred through the air, as opposed to physical touch or blood-borne. Being in a confined space, such as an ambulance, with an airborne communicable disease means you have most definitely been exposed to it.