1. What is in saliva that protects us from microorganisms?
2. What do lymph nodes do? What is their function?
3. What is Osmosis Jones?
4. What does inflammation indicate?
5. What does glandular swelling indicate?
6. What causes the odor in sweat?
7. How are foreign bodies handled in the nasal cavity (lines of defense)?
8. How are allergens handled?
9. What causes an increase in nasal secretions?
10. How do antihistamines work?
11. How does the body detect foreign invaders?
12. Which cells are involved in the detection of foreign invaders?
13. How do flu shots work? How do they confer immunity?
14. Explain the defense mechanism of Osmosis Jones.
15. What does the hypothalamus control?
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Answer:
What is in saliva that protects us from microorganisms?
ans:Plasma B cells reside in the salivary glands and produce IgA antibody which is then secreted in the saliva.
What do lymph nodes do? What is their function?
ans:The nodes filter out the damaged cells and cancer cells. These lymph nodes also produce and store lymphocytes and other immune system cells that attack and destroy bacteria and other harmful substances in the fluid.