Puzzle 6

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Across
  1. 4. A tube-like structure in the respiratory system.
  2. 7. Area of the front of the tongue sensitive to.
  3. 8. The inability of seeing objects far.
  4. 10. A fine, powdery substance typically found in the air.
  5. 12. Served as a defence against enemies and strong wind.
Down
  1. 1. __________ ligament.
  2. 2. Has a hearing frequency range of 7 000 – 100 000 Hz.
  3. 3. Coordinates movement and maintains balance.
  4. 5. Typically found in red blood cells.
  5. 6. A solvent moved across the semipermeable membrane.
  6. 9. Microscopic, balloon-shaped structures.
  7. 11. A slender threadlike object or fibre, especially one found in animal or plant structures.