Biology

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Across
  1. 4. The otherwise know as voice box?
  2. 6. Longest and largest bone in the human body?
  3. 7. The cell organelle which is referred to as the suicidal bag of the cell?
  4. 10. Hardest compound in the human body?
  5. 11. Table sugar, from sugar cane or beet, is what type of sugar?
  6. 12. The Plastid that contains chlorophyll?
Down
  1. 1. The type of immunity which is developed when a large proportion of the population have become immune
  2. 2. The protein found on the surface of the pathogens to which the antibodies attach to before they attract cells that will engulf and destroy the pathogen.
  3. 3. Tiny sacs within the lungs that allow for the exchange of oxygen and carbon dioxide in the lungs?
  4. 5. Pollination by wind is called __________
  5. 8. anything that produces a response in an organism or in a cell or tissue of an organism
  6. 9. The cell organelles is involved in the storage of food, and other nutrients, required for a cell to survive?
  7. 13. ___ is our bodies first line of defence against the pathogens