Answer:
the musculo-skeletal system
Explanation:
When the body is stressed, muscles tense up. muscle tension is almost a reflex reaction to stress- the body's way of guarding against injury and pain.
Answer:
Diseases of the immune system are especially dangerous because they attack the very cells that destroy other diseases. AIDS (auto immunodeficiency syndrome) basically makes the immune system kill itself. Basically, white blood cells kill other cells, (including its own white blood cells) instead of killing viruses or bacteria, in turn making your immune system very weak. If your immune system is weak, a simple cold can turn into a nightmare, and can even result in death.
The thought disappears in thin air i hope this helped(:
Answer:
true
Explanation:
not every human has a disease in their lifetime
False - differences will happen and not all your friends will stay the same
