What is the largest lymphatic organ?, Spleen, Thymus, Lymph nodes, Tonsils, Which of the following tissues does NOT contain lymphatic capillaries?, Skeletal muscle, Central nervous system, Skin, Intestinal wall, How does the respiratory pump assist lymph flow during inhalation?, By equalizing pressure in both cavities, By contracting lymphatic vessels directly, By increasing thoracic pressure and decreasing abdominal pressure, By decreasing thoracic pressure and increasing abdominal pressure, The main role of Natural Killer (NK) cells is to ?, Destroy virus-infected and tumor cells., Produce mucus to trap microbes., Help in digestion., Produce interferons., Which part of the eye produces tears that contain enzymes to destroy microbes?, Sebum, Epidermis, Lacrimal apparatus, Mucus, Which of the following structures helps trap dust and microbes in the respiratory tract?, Epidermis, Mucus, Gastric juice, Sebum, What is one of the main functions of the lymphatic system?, Produces red blood cells, Stores calcium in the bones, Controls body temperature, Drains excess interstitial fluid and returns it to the blood, Which of the following is not a component of the lymphatic system?, Lymph, Lymphatic vessels, Pancreas, Red bone marrow.

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