Grade 9 Biology

12345678910111213141516171819202122232425262728293031
Across
  1. 4. The basic unit of fuel (sugar) used in cellular respiration,
  2. 5. The process of water movement through a plant,
  3. 10. The upper chamber of the heart,
  4. 11. Air sacs in the lungs where gas exchange occurs,
  5. 13. Blood vessel that carries blood away from the heart,
  6. 17. Covers the trachea during swallowing to prevent food from entering the lungs,
  7. 18. Plant tissue that transports sugar/food
  8. 20. The watery, liquid part of blood,
  9. 23. A nutrient broken down into glucose during digestion,
  10. 24. Plant tissue that transports water and mineral salts,
  11. 27. Organ where hydrochloric acid and pepsin break down protein,
  12. 28. Fatty acid and ________ are the end products of fat digestion,
  13. 29. The process of taking food into the digestive system
  14. 30. the movement of water molecules through a selectively permeable membrane,
  15. 31. Tiny finger-like projections in the small intestine that absorb nutrients,
Down
  1. 1. The gas produced as a waste product in respiration,
  2. 2. The gas needed for respiration to release energy,
  3. 3. Organ responsible for producing bile and filtering blood
  4. 6. The main artery that pumps blood out of the heart
  5. 7. An organism's ability to maintain steady internal conditions (like temperature)
  6. 8. Tiny blood vessels where exchange of materials occurs,
  7. 9. Chemical, green pigment needed for photosynthesis (not directly in this unit, but related to plant transport)
  8. 12. Tube connecting the mouth to the stomach
  9. 14. Process of releasing energy from food, usually needing oxygen,
  10. 15. Muscle contractions that move food down the alimentary canal
  11. 16. Muscle under the lungs that assists in breathing,
  12. 19. Type of respiration without oxygen, common in anaerobic conditions
  13. 21. Movement of substances from high to low concentration,
  14. 22. Block of protein; small molecules absorbed by villi,
  15. 25. Specialized proteins that speed up chemical digestion,
  16. 26. The process of breaking down food into smaller, absorbable molecules,