Life Processes Crossword Puzzle

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Across
  1. 2. Protein in red blood cells that carries oxygen.
  2. 5. Organ that produces bile and detoxifies substances.
  3. 6. Gland that produces digestive enzymes and insulin.
  4. 9. Process of breaking down food into simpler substances.
  5. 12. Organism that makes its own food.
  6. 14. Largest artery in the body.
  7. 16. Tiny air sacs in the lungs where gas exchange occurs.
  8. 19. Smallest blood vessel where exchange of substances occurs.
  9. 20. Organelle known as the powerhouse of the cell.
  10. 23. Biological catalyst that speeds up chemical reactions in the body.
  11. 25. Process of removing waste products from the body.
  12. 26. Tissue responsible for the transport of water and minerals in plants.
  13. 28. Organism that obtains food from other organisms.
  14. 30. Digestive juice produced by the liver.
Down
  1. 1. Wave-like muscle contractions that move food through the digestive tract.
  2. 3. Finger-like projections in the small intestine that increase surface area for absorption.
  3. 4. Waste product formed in the liver and excreted by the kidneys.
  4. 6. Process by which green plants make their own food using sunlight.
  5. 7. Process of breaking down food to release energy.
  6. 8. Device used to measure blood pressure
  7. 10. Green pigment in plants that absorbs light energy for photosynthesis.
  8. 11. Muscle that helps in breathing.
  9. 13. Loss of water vapor from the aerial parts of plants.
  10. 15. Tissue responsible for the transport of food in plants.
  11. 17. Fluid that circulates in the lymphatic system.
  12. 18. Tiny openings on the surface of leaves for gas exchange.
  13. 21. Organelle where photosynthesis occurs.
  14. 22. Nerve cells that transmit signals in the body.
  15. 24. Functional unit of the kidney.
  16. 27. Windpipe that connects the larynx to the bronchi.
  17. 29. Liquid component of blood.