BIOLOGY

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Across
  1. 2. Largest internal organ of our body.
  2. 5. Systematic study.
  3. 6. British Broadcasting Corporation in short. .
  4. 9. The smallest flower.
  5. 10. Italian of the East.
  6. 12. Breakdown of glucose results in the formation of 2 molecules of. ...
  7. 15. This gland is located near the kidneys.
  8. 16. Minute form of blood vessels are referred as..
  9. 18. I am the central atom of a chlorophyll molecule.
  10. 19. A clinical condition where a person is deprived of sleep.
Down
  1. 1. This scientist proposed the theory of evolution.
  2. 3. A nitrogenous substance excreted by humans.
  3. 4. I protect the lungs and the heart.
  4. 7. The jelly like substance inside a cell.
  5. 8. Accumulation of this causes muscle pain during exercise.
  6. 11. Study of birds.
  7. 13. These are the chemical messengers of our body.
  8. 14. First National Park of India.
  9. 17. This is the rhythm of the heart beat.