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