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Hormones and growth factors are produced by endocrine cells. Barriers separating the environment by the formation of reliable barriers. from epithelial cells connected by tight contact for example, between the epithelial cells of the mucous membrane of the stomach and intestines protect the body from the damaging effects of factors physical and chemical environment epithelial glands The glands secrete differentiation. between endocrine and endocrine glands endocrine products
อ่านเพิ่มเติม โรงเรียนบ้านควนลำภู
นานาสาระ Cell
โพสต์โดย : nomo
