The skeletal system supports our bodies with a bone structure. how many bones support the skeletal system? a. 620 b. 206 c. 602 d. 260

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?

What typically happens when a family member has a problem with alcohol or drugs? adults in the family are affected more than children children in the family are affected more than adults. the entire family is affected. no one in the family is affected.

What is known about the role that insulin plays in the processing of blood sugar?