Plant and Animal Gas Exchange

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Across
  1. 5. Cells Structures that control stomatal opening and closing
  2. 7. The movement of gases across a membrane from high to low concentration
  3. 8. Environmental factor that stimulates stomatal opening
  4. 9. system The organ system responsible for breathing in animals
  5. 10. The process by which oxygen is used to produce energy in cells
  6. 12. The muscle responsible for breathing in humans
  7. 13. acronym for a hormone that is responsible for closing stomata
  8. 15. The blood component that carries oxygen.
Down
  1. 1. The process of moving air in and out of the lungs
  2. 2. Primary gas exchange organ in plants
  3. 3. The process by which plants lose water through their leaves is called
  4. 4. The pressure inside guard cells when stomata are open
  5. 6. The organ responsible for gas exchange in fish
  6. 11. Tiny openings on plant leaves for gas exchange
  7. 14. tiny air sacs of the lungs which allow for rapid gaseous exchange.