The rate and depth of breathing is primarily controlled by medulla by

A. the oxygen content of the blood

B. the nitrogen content of the blood

C. receptors in the larynx

D. the carbon dioxide content of the bkxxl

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  1. The term used to denote the difference in volume between the total lung capacity and the vital capacity…
  2. The opening into the wind pipe or trachea is called
  3. The vibrations of which of these membranes produces vocal sounds?
  4. The functional unit of the lung is
  5. During inspiration in mammals, the diaphragm shall
  6. Internal respiration refers to
  7. The oxygen content of expired air in man is
  8. Diaphragm is characteristic of
  9. The rate of respiration is lowest at
  10. The oxygen pressure in the alveolar air is
  11. Emphysema is a respiratory disease in which
  12. The greatest volume of air that can be expired after a maximum inspiratory affect, is its
  13. Colour of oxyhaemoglobin is
  14. In all vertebrates, the oxygen transport is through
  15. The carbon dioxide pressure in the lung capillaries is
  16. The medullary inspiratory centre is always under direct control of
  17. Pulmonary artery
  18. Air directly enters the tracheae via the
  19. In rabbits, respiration takes place in
  20. The impulses reaching voluntary muscles for forced breathing originate from
  21. The maximum volume of inspirable air is called
  22. Among the following, the maximum amount of usable energy is released per-molecule of glucose by
  23. The condition in which the body suffers from acute oxygen shortage is called
  24. The process of breathing-in of oxygen rich air from outside is called
  25. The substances undergoing slow oxidation in the body during respiration are known as
  26. Ciliated epithelium in the trachea of mammals helps in
  27. The iron containing haemoglobin pigment is a
  28. The regulatory centre for respiration is situated in the
  29. A normal man respires in a minute
  30. The membrane covering the lungs is