Transportation in plants and animals

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Across
  1. 3. It is red in colour and it flows through a network of tubes in whole body
  2. 6. The process of removal of waste materials produced in the cells of the living organism
  3. 7. It is the sticky liquid part of the blood which is pale yellow in colour.
  4. 11. an organ which beats continuously as a pump for the transport of blood carrying other substances with it, through a network of tubes or blood vessels.
  5. 13. These are tubes or pipes that carry blood throughout the body.
  6. 14. The rhythmic contraction and relaxation of heart muscles that produce a specific sound of lubb-dubb
  7. 16. red in colour due to the presence of pigment called haemoglobin.
  8. 17. this organ can filter the unwanted substances from the blood
  9. 18. The process used for cleaning the blood of a person by separating the waste product urea
Down
  1. 1. fight against infection and protect us from diseases.
  2. 2. the heartbeat can be heard by this instrument
  3. 4. These are extremely thin blood vessels that connect the arteries to veins
  4. 5. The process of evaporation of water through the stomata present on the surface of leaves
  5. 8. It is the liquid waste of the body that is produced by the sweat glands present in our skin.
  6. 9. this system consists of blood, blood vessels and heart.
  7. 10. These are the blood vessels that carry blood from all the parts of the body back to the heart.
  8. 12. These are colourless and help in the clotting of blood in a cut or wound.
  9. 15. These carry blood from the heart to all the parts of the body.