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.
I would say the best answer is B. Asking the learner to begin working on a problem.
He is far sided ik this cuz I am near sided which is the opposite of far sided so your answer is far sided
<em><u>Answer:</u></em>
Chronic stress, or a constant stress experienced over a prolonged period of time, can contribute to long-term problems for heart and <em>blood</em> vessels. The consistent and ongoing increase in heart rate, and the elevated levels of stress hormones and of <em>blood </em>pressure, can take a toll on the body.
<u><em>Explanation:</em></u>
*Hope this helps*
