Biology Chapter 9-11

123456789101112131415
Across
  1. 3. T killer cells kill by making holes in the cell surface membranes using proteins called ...
  2. 4. present throughout gas exchange system and provide flexibility during ventilation and is mainl composed of protein elastin
  3. 7. It affects the liver, RBC, and brain causing pain, shivering, sweating and anaemia
  4. 8. tiny hollow sacs, containing few cells that secrete surfactant, help observe oxygen, receive O2 and passes it on
  5. 11. results from an individual becoming infected with a disease under normal circumstances. Body produces own antibodies
  6. 14. As a bacterium develops its cell wall, it secretes an enzyme known as ...
  7. 15. They have long thin stems and rounded tops resembling a wine goblet in shape
Down
  1. 1. the main biological measure to prevent a person developing TB is ....
  2. 2. Antibiotic resistance is passed from one generation to the next
  3. 5. flexible supporting material containing a high proportion of collagen fibres
  4. 6. early breast milk called .... has a high concentration of antibodies belonging to the class Immunoglobulin A
  5. 9. tissue which is capable of contraction but which is not under voluntary control.
  6. 10. Human Immunodeficiency virus
  7. 12. The non self materials on the surface of all these cells act as non self materials....
  8. 13. If a person is able to resist the effects of a pathogen does not become ill