The _________ cells prevent entry of foreign substances into the skin. ( keratin, melanin, Langerhans)
Langerhans Cells participate in immune responses mounted against microbes that invade the skin.
Match the following:
AB1.Hairs and mucus in nostrilsa. assists in inhalation and exhalation2.Cartilage in tracheab. increases surface area of absorption3.Alveolic.prevents entry of foreign bodies4.Diaphragmd.prevents collapse of tracheal structure