The cells on your fingertips are exposed to friction every time you touch something. thus, you can surmise that the fingertips are covered in

the answer you are looking for is the united states forest service.

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garbage disposal because lysosomes dispose of old cell parts like garbage disposals dispose of old food.

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answerlength of time the medication is in contact with the skin(moistur level of the skin) depth of respirations blood supply to the area; all of the above; ///