B1 0.0 / 5 ? BiologyDecompositionGCSEEdexcel Created by: callumrai1Created on: 10-04-17 13:29 96321845710 Across 1. The respiratory tract is lined with mucus and this. The mucus traps microorganisms and this sweeps them away. (5) 4. To calculate BMI it is mass divided by this squared. (6) 5. This is sensitive to sulfur dioxide so when found on rose leaves it indicates clean air. (9, 6) 6. Bloodworm and this indicated polluted water. (10) 7. This is the chemical in tears that kill bacteria. (8) 10. Freshwater shrimp and this require a good concentration of oxygen so indicated clean water. (8, 6) Down 2. This acts as a barrier for micro-organisms, when damaged it clots quickly to seal it. (4) 3. This is the name of a long term liver issue caused by alcohol. (5, 9) 8. Animal cells do not have this but plantae do. (4, 4) 9. The animal vector from malaria is this. (9)
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