American National University

• BIO 201

• BIO201 GL TH10 The Lymphatic System Thymus Spleen Tonsils 1. Identify each characteristic as relating to the thymus, spleen, or tonsils. 1 Aids in T-cell maturation Decreases in size significantly after puberty 2 Recycles red blood cells Crypts increase surface area 3 First defense against ingested or foreign pathogens Includes areas of red pulp and white pulp Copyright 2021 - Science Interactive | https://scienceinteractive.com Exploration Foreign body targeted by the immune system. The clumping that occurs when multiple particles or cells are bound. Immunoglobulin protein that specifically binds to a particular foreign body. 2. Match each term with the best description. Antigen Agglutination Antibody Production of cytokines Production of antibodies Phagocytosis 3. Match the type of white blood cell with the correct method employed to destroy foreign bodies. T-cells B-cells Phagocytes 1. Foreign bodies that are targeted by the immune system are called _________. antigens antibodies leukocytes cytokines 1 2 3 1 2 3 Copyright 2021 - Science Interactive | https://scienceinteractive.com Exercise 1 2. T-cells produce antibodies. True False 3. Active lymphocytes are located within the medulla of the lymph nodes. True False 4. The thymus gland is the site of ______ maturation. antibody antigen T-cell B-cell 5. Tonsils have no known value to the human body