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  1. In a man at rest the body's cells consume approximately
  2. The carbon dioxide pressure in the lung capillaries is
  3. The membrane covering the lungs is
  4. Colour of oxyhaemoglobin is
  5. The opening into the wind pipe or trachea is called
  6. The respiratory tubes devoid of car-tilagenous rings are
  7. Air directly enters the tracheae via the
  8. The condition in which the body suffers from acute oxygen shortage is called
  9. The impulses reaching voluntary muscles for forced breathing originate from
  10. All are lung diseases except
  11. The maximum volume of inspirable air is called
  12. Among the following, the maximum amount of usable energy is released per-molecule of glucose by
  13. The substances undergoing slow oxidation in the body during respiration are known as
  14. The rate and depth of breathing is primarily controlled by medulla by
  15. In all vertebrates, the oxygen transport is through
  16. Oxygen will diffuse through a membrane only if it is
  17. The oxygen content of expired air in man is
  18. The vibrations of which of these membranes produces vocal sounds?
  19. To take air into the lungs, the diaphragmmust be
  20. The metal associated with haemoglobin is
  21. Ciliated epithelium in the trachea of mammals helps in
  22. Emphysema is a respiratory disease in which
  23. Pulmonary artery
  24. Diaphragm is characteristic of
  25. Anoxia means
  26. The capacity of lungs for air in a healthy man is about
  27. In response to high altitude hypoxia supply of oxygen to the tissue is maintained by
  28. The respiratory portion of the respiratory tract consists of
  29. The "mountain sickness" in persons climbing to high attitudes without the aid of oxygen cylinders is…
  30. Oxygen is transported to every cell of the body through