Transportation in plants and animals

123456789101112
Across
  1. 2. throbbing sensation felt in the artery.
  2. 4. the waste of birds consists mainly___
  3. 5. wall which divides the heart into two halves lengthwise.
  4. 7. water conducting tissue in plants.
  5. 8. blood component responsible for clotting.
  6. 10. _____ removes a small amount of waste in the form of sweat.
  7. 12. the pigment in red blood cell.
Down
  1. 1. circulation of blood is discovered by _______
  2. 3. Deoxygenated blood is carried back to heart by the _____.
  3. 5. instrument used to listen to our heart beat.
  4. 6. the process of removal of excess water through leaves of a plants.
  5. 9. ________ removes the carbon dioxide, produced during respiration.
  6. 11. bean shaped structure taking part in excretion.