B7

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Across
  1. 3. Type of fluid that drains left over water from the tissues
  2. 4. Vessel that transports food in a plant
  3. 5. Type of circulatory system mammals have
  4. 7. Prevent backflow of blood
  5. 10. Type of artery that supplies blood to the cardiac muscle
  6. 11. Movement of water molecules
  7. 13. Provides structural support in the xylem
Down
  1. 1. Vessel that transports water in a plant
  2. 2. Smallest blood vessel
  3. 6. Layer in the blood vessels that stretches and recoils
  4. 8. Scientific word for contraction of the heart
  5. 9. When oxygen binds to haemoglobin
  6. 12. Gas that leaves through the stomata