Roll.no:37 The Respiratory System

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Across
  1. 5. contracts and flattens downwards during inspiration.
  2. 6. is popularly called “Adam’s apple”.
  3. 9. is the sound produced by vocal cords of the larynx.
  4. 10. acid is accumulated in anaerobic respiration.
  5. 12. centre controls breathing movements.
  6. 15. is a physical process in which atmospheric air is taken in and forced out of the oxygen absorbing organs, the lungs.
  7. 16. is a condition in which the blood becomes more venous by accumulation of more co2 and o2 supply is diminished.
Down
  1. 1. is the deficiency of oxygen reaching the tissues.
  2. 2. is the total lung capacity of our body.
  3. 3. contains less oxygen and more carbon dioxide.
  4. 4. respiration is slow and doesn’t produce co2.
  5. 7. is a vital process in all living organisms.
  6. 8. has nasal chambers.
  7. 11. turns milky when co2 comes in contact.
  8. 13. is an emergency activity of the muscle cells to produce extra heat to keep the body warm.
  9. 14. volume is the air which is breathed in and out in a normal quiet breathing.