Are the bundles found in your muscles.
sets
myofibrils
fibers
fascicles

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?

How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(