Daif AcademyVersión en línea Guess biology-related words for each letter of the alphabet! por Marcilino Alphonse A B C D I I L M M N R S T W Starts with A Has A specific region to bind to an antigen (pathogen), secreted form B cells Starts with B Recognize pathogen , adhere to them , and produce antibodies Starts with C Chemicals that direct the circulating phagocytes to the site of injury Starts with D A bond that is formed between Sulfur in the antibody structure Starts with I Assisting chemical substance that help in communication between WBCs Starts with I Secreted from virus-infected cells to warn other cells Starts with L Represents 20% to 30% of the total WBCs in the human body Starts with M The process of cell division that results in two daughter cells with the same genetic material. Starts with M A WBCs that pick up all that is strange Starts with N A white blood cell ,called PMN,that has 3 to 5 lobes Starts with R They recognize the presence of the pathogen and activate the plant defenses Starts with S Laregest lymphoid organ Starts with T Gland that has both endocrine and immune functions. Starts with W A type of blood cell that helps the body fight infections.