List the body system(s) affected by SARS-CoV

How do the uv rays cause damage?   what exactly causes the skin to burn;   can you be more specific about this mechanism?   3. how do photosensitive medications increase a person's sensitivity to sunlight and therefore increase their risk of getting burned?     what kind of medications can increase photo-sensitivity, can you think of some examples?

Which one of these patients requires oral care less frequently than every two hours? a two-year-old who is tube fed. an 26-year-old female who is unconscious. a 64-year-old patient with high cholesterol. an elderly male patient who is vomiting. read question

Sometimes without even knowing it, people waste fresh water. write an editorial for our school newspaper. try to convince your readers that saving and recycling water should be something they do every day.