b3.2 transport

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Across
  1. 1. this type of tube is present in phloem to facilitate carbohydrate transportation
  2. 3. have only one cell thick walls
  3. 6. a thick muscular wall that separates the left and right sides of the heart
  4. 8. Carbohydrate transportation
  5. 13. this cell is present in phloem to pump ATP for active transport, also means a friend
  6. 14. the node that is located in the right atrium to generate electrical impulses
  7. 17. contraction of atria
  8. 18. have thick walls and narrow lumens
  9. 19. have thin walls with wide lumens
  10. 20. provides strength and rigidity to the xylem vessels
Down
  1. 2. flaps to prevent backflow on veins
  2. 4. system that removes excess fluid and large molecules
  3. 5. capillary pores
  4. 7. have thicker walls compared to the atria and are located at the bottom chambers of the heart
  5. 9. valves that are located at the exits of the ventricles and ensure one-way flow of blood from the ventricles to the arteries
  6. 10. evaporation of water from the leaves
  7. 11. relaxation of heart chambers
  8. 12. arteries that are responsible for supplying oxygenated blood to the heart muscle
  9. 15. made of dead cells that are hollow to transport water
  10. 16. thin walls composed of cardiac muscle and are located at the top chambers of the heart