Accessory structures of the skin such as nose hairs serve the system by providing a mechanical filter against large objects entering the body.

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

Using the periodic table, determine which material is most likely a good conductor

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?