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Lysozyme is an enzyme found in saliva, within the respiratory tract, and lacrimal fluid, that can destroy the peptidoglycan cell wall of viruses and serves as a first-line defense for the innate immune system.  

Match the terms to their respective description/definition. 

From the list below, choose the cell that stimulates or otherwise directly interacts with both branches of the immune response.  

Maturation of lymphocytes occur in the primary lymphoid organs.   

Immunoglobulins are glycoproteins secreted by plasma cells in response to an antigen.   

The serous membrane covering the superficial surfaces of most digestive organs is called the ________.  

The digestion of carbohydrates and proteins by brush border enzymes occurs within the ______ of the small intestine.  

Match the following immunoglobulin (antibody) types to their respective descriptions. 

Which of the following lists lymphatic vessels from smallest to largest?  

The majority of ATP synthesized during the anaerobic steps of cell respiration is the result of oxidative phosphorylation.