Defends your body from any organisms that threaten the destruction of cellsimmune system 2.white blood cells that produce antibodiesepidermis 3.system of vessels that are responsible for the removal of bacteria from the bloodstreamlymphocytes 4.outer layer of the skin which, along with other functions, makes the body waterprooflymphatic system 5.inner layer of skin which contains blood vessels, sweat glands, hair follicles, and nerve cellsdermis