Respiration Crossword 1.0 / 5 based on 1 rating ? ScienceRespirationAll LevelsAll boards Created by: poisonousantidoteCreated on: 27-05-15 11:53 86423175 Across 1. What does respiration release? (6) 4. What are glucose and oxygen? (9) 5. The heart and blood form the --- system (11) 8. The breathing system is called the --- system (11) Down 2. What are the pockets in an air sac called? (7) 3. What are carbon dioxide and water? (8) 6. What does aerobic respiration contain? (6) 7. What is the plural for bronchus? (7)
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