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Fundamental Organisation Human Physiology Respiration - Questions and Answers

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6. Which is the respiratory pigment in man
A. Haemocyanin
B. Chlorocruorin
C. Haemoglobin
D. Haemoerythin
Explanation:
7. The lungs are enveloped by the
A. Meaning
B. Pericardium
C. Pleura
D. Selera
Explanation:
8. The diameter of each alveolus measures about
A. 0.1 mm
B. 0.2 mm
C. 0.3 mm
D. 1.0 mm
Explanation:
9. What is the normal concentration of haemoglobin in the human blood
A. 10 gm/100 ml
B. 12 gm/100 ml
C. 15 gm/100 ml
D. 20 gm/100 ml
Explanation:
10. Each human lung is composed of
A. 100 million alveoli
B. 200 million alveoli
C. 300 million alveoli
D. 400 million alveoli
Explanation:
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