immune system

Which of the following is false about complement? O Complement kills pathogens by inducing cell lysis Complement are a series of proteins that circulate through the blood Complement is produced by the kidney Complement enhances phagocytosis. оооо

Which of the following statements is NOT TRUE about Macrophages?     Macrophages have a single, somewhat large nucleus and granular inclusions     Macrophages serve as antigen presenting cells or APCs     Macrophages can express both MHC I and MHC II when acting as an APC     Macrophages have less surface area than dendritic cells have, to bind antigens     Macrophages arise from the same cell as dendritic cells     Resident macrophages are found in only certain, specific tissues

Primary lymphoid organs include: Thymus gland Yellow bone marrow Red bone marrow Lymph nodes Lymphatic vessels Spleen Tonsils