Immune and Respiratory System Puzzle
Across
- 4. inflammation of lungs caused by bacterial or viral infection
- 7. provides body cells with oxygen and removes carbon dioxide
- 13. clear liquid that surrounds body cells and circulates in lymph vessels
- 14. germs that cause disease
- 15. guard against inhaled microbes
- 17. microscopic, thin walled air sacs covered with capillaries at the end of bronchioles
- 19. inflammation of bronchi
- 20. inflammatory condition where trachea, bronchi, and bronchioles are narrowed
- 21. destroys walls of alveoli
Down
- 1. main airways that reach into each lung
- 2. contagious bacterial affecting the lungs
- 3. specialized white blood cells in the lymph
- 5. control immune system by activating B and T cells
- 6. release toxins that prevent infections from spreading
- 8. filter air and destroy microorganisms
- 9. site of maturation for T-cells
- 10. produce antigens and defense proteins
- 11. inflammation of tissues that line the sinuses
- 12. major site for filtering blood
- 16. usually the cause of emphysema
- 18. contracts and relaxes to allow air into lungs