All of the above is the right awnser
Your personal fitness is what you make of it. A physically demanding job can be beneficial if you also support it with a nutritious diet and maintain proper health. But if your job is physically active and you eat more than needed, it does not matter how much you are working, because you are still consuming more calories than you are burning.
O M G i just did that one on Plato
well anyway i think the answer was the the skin because any thing that invades the body is a threat to the immune system.
A group of mental disorders<span> characterized by significant feelings of </span>anxiety<span> and fear.</span>
The correct answer is Antihypertensive drugs.
Antihypertensive drugs cause dilation of the arteries. Antihypertensive is a class where drugs that don't fit in previous categories which are found in the alpha-blocker.