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Health, 21.06.2019 19:00
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?
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Health, 22.06.2019 04:30
Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage
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Health, 22.06.2019 12:50
True or false mucous membranes destroy pathogens on the outer body surface, at body openings.
Answers: 2
Some symptoms of the flu are similar to the common cold, but not as bad. true or false....
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