SCIENCE

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Across
  1. 3. — In which organelles is chlorophyll found?
  2. 5. — Which tissue transports sugars in plants?
  3. 6. — What structures attach muscles to bones?
  4. 7. — What large carbohydrate do plants store energy as?
  5. 11. — What nitrogen-containing waste is removed by the kidneys?
  6. 16. — Which muscle contracts during inhalation?
  7. 18. — What is the process of breathing in called?
  8. 19. — What tiny hair-like structures sweep mucus upward?
  9. 20. — Which tissue transports water and minerals in plants?
  10. 21. — What is the loss of water vapor from leaves called?
  11. 23. — What are the small air tubes inside the lungs called?
  12. 26. — What is the system of bones in the body called?
  13. 27. — Which sugar is used in aerobic respiration?
  14. 28. — What are the two large tubes leading from the trachea into the lungs called?
  15. 29. — What structures connect bones together at joints?
Down
  1. 1. — In which organelle does aerobic respiration occur?
  2. 2. — Which muscle contracts to move the arm upward?
  3. 4. — What sticky substance traps microorganisms in the respiratory system?
  4. 6. — What is the name of the tube that carries air to the lungs?
  5. 8. — Which bones support the upper body and head?
  6. 9. — What is the process of breathing out called?
  7. 10. — Which gas is needed for aerobic respiration?
  8. 12. — What process allows plants to make their own food?
  9. 13. — Which organs filter the blood and produce urine?
  10. 14. — What molecule carries genetic information?
  11. 15. — Which green pigment absorbs light energy in plants?
  12. 17. — In which structures does gas exchange occur in the lungs?
  13. 22. — What process moves oxygen from alveoli into the blood?
  14. 24. — Which bone protects the brain?
  15. 25. — What are places where bones meet called?