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Across
  1. 5. bio catalysts to upkeep growth of the body
  2. 7. type of nutrition where organisms aquire nutrients from plants and animals without killing them
  3. 9. type of respiration which takes place in the presence of oxygen
  4. 10. digestion in stomach is taken care by
Down
  1. 1. the three carbon molecule glucose is broken down into
  2. 2. maintenance unit
  3. 3. excretion is regulated by
  4. 4. vessels which carry blood away from heart to various organs
  5. 6. filtration units
  6. 8. process of acquiring oxygen from outside the body