Answer:
I am not for sure about this question.
Explanation:
The three main categories are health, disease and safety.
Answer:
In addition to protecting your heart and lungs, your ribs also support many of the muscles in your upper body. As a result, breaking a rib can make everyday activities very painful. Given their position in the body, broken ribs are usually left to heal on their own.
Explanation:
HIV and AIDS :-
HIV infection is difficult to cure even by multiple treatment with multiple medications because this is a kind of highly communicable virus and it decreases the resistance of our body everytime . Up to date there is no systematic and effective treatment for this . Slightly it affects the whole system of our body and does not get easily treated with any special medications .
