Crossword Puzzle

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Across
  1. 4. – Air sacs in the lungs where gas exchange happens.
  2. 7. – Also called the voice box, helps with sound production.
  3. 11. – Joint-legged animals like insects and crabs.
  4. 12. – Process where plants make food using sunlight.
  5. 13. – Membrane surrounding the lungs.
  6. 14. – Carries water from roots to leaves in plants.
Down
  1. 1. – Transports sugars in plants.
  2. 2. – Tiny pores on leaves for gas exchange.
  3. 3. – Cells that transport oxygen in the blood.
  4. 5. – Organisms that consume others for energy.
  5. 6. – Openings on an insect’s body for breathing.
  6. 8. – Blood vessel that supplies the kidneys.
  7. 9. – Carries blood away from the liver.
  8. 10. – Tubes in insects that transport oxygen.
  9. 13. – Help blood to clot and stop bleeding.