1) How many types of immunity are there? a) 1 b) 2 c) 3 d) 4 2) What other system is part of the immune system? a) Lymphatic system b) Skeletal system c) Muscular system d) Digestive system 3) The adenoids and tonsils a) produce white blood cells b) prevent pathogens from entering the body 4) Where white blood cells are produced a) Nose b) Throat c) Bone marrow d) Stomach 5) What happens in the spleen? a) Creates T-cells b) Cleans the blood 6) What happens in the thymus? a) T-cells are created b) First line of defense 7) Lymph nodes are small structures that work as filters for foreign substances. a) False b) True 8) Lymph vessel a) transport fluid b) perform immunosurveillance 9) Peyer's patches a) respond to infection b) make blood cells

Immune System

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