Across
- 5. one of white blood cells
- 6. System,is specialized to defend the body against antigens (such as toxins, bacterial proteins, or foreign blood cells).
- 8. Mass of lymphatic tissue in the nasopharynx.
- 9. One-celled organism causes lung infection, with fever, cough, and chest pain. Pathogen is found in air, water, and soil and is carried by animals. Infection is treated with trimethoprim-sulfamethoxazole (Bactrim), a combination of several antibiotics, or pentamidine. Aerosolized pentamidine, which is inhaled, can prevent occurrence of PCP.
- 10. of lymphatic tissue in the back of the oropharynx.
Down
- 1. hypersensitivity acquired by exposure to an antigen.
- 2. are the places at which bones come together.
- 3. clear, watery fluid that surrounds body cells and flows in a system of thin-walled lymph vessels (the lymphatic system) that extends throughout the body.
- 4. of the thymus gland.
- 7. Weakened or dead antigen is given to induce production of antibodies. This results in adaptive immunity.