Blood leaving the lungs has all its haemoglobin oxygenated and gives up oxygen to tissues due to one of the following reasons:

Respiratory System Physiology Mcqs
BILAL KHATTAK0

A.The tissues can absorb oxygen from oxyhaemoglobin
B.Oxygen concentration in tissues is lower and CO2 concentration is higher than in lungs
C.Oxyaemoglobin undergoes reduction
D.Oxygen concentration in tissues is higher and CO2 concentration is

Related Mcqs:

  1. Which of these facts sugests that oxygen is transported from lungs to the tissues combined with haemoglobin rather than dissolved in blood plasma:
  2. In case the concentration of oxygen in the tissues were almost as high as at the respiratory surface then:
  3. How can combining of haemoglobin with oxygen in the lungs be promoted?
  4. During one circuit of blood from lungs to the tissue and back through circulatory system the percentages of haemoglobin giving up its oxygen to tissues is:
  5. Blood leaving the lungs is richer than the blood entering the lungs in:
  6. Body tissues obtain oxygen from oxyaemoglobin because its dissociation is caused by:
  7. Oxygen capacity of haemoglobin is:
  8. Haemoglobin can be almost completely oxygenated by an oxygen pressure of __________ of mercury.?
  9. Which of these is termed Bohr effect:
  10. In which of these manners the oxygen is transported to tissues in the vertebrates:

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