Immunology & Immune Response Crossword Puzzle

QUESTIONS LIST: antibody : protein produced by the immune system, pathogen : a microbe or other agent that makes its host sick, histamine : secreted by cells in reaction to allergens or injury, vaccine : chemical that aids in the body's development of immunity against a certain illness, cytokine : tiny proteins that control the body's inflammatory and immunological responses, lymphocyte : white blood cells that protect the body from external chemicals and diseases, immunoglobulins : proteins that help the immune system neutralize or get rid of infections, autoimmunity : immune system attacks the body's own tissues by mistake, immunity : the body's protection against illnesses and infections, allergy : negative reaction to a harmless substance, causing symptoms like itching or sneezing.