How do lymph nodes protect the body?

Related questions

1. Is lymph node cancer curable?
2. Are tonsils lymph nodes?
3. What is the function of the lymph nodes?
4. Can tonsils grow back?
5. Can you die from tonsil cancer?
6. Does lymph node cancer show up in blood tests?
7. Can a CT scan detect cancer in lymph nodes?
8. Where are lymph nodes located in the body?
9. Can cancer of the lymph nodes be cured?
10. Are lymph nodes visible?

Tags

1. #maintain
2. #conveying
3. #protect
4. #various
5. #defense
6. #infection
7. #environment
8. #cells
9. #producing
10. #helps
11. #blood
12. #important
13. #against
14. #nodes
15. #fluid
16. #filtering
17. #lymph