Almost same |
|
a) |
Alveoli and tissues |
b) |
Oxygenated blood and deoxygenated blood |
c) |
Alveoli and oxygenated blood |
d) |
Alveoli and deoxygenated blood |
Almost same |
|
a) |
Alveoli and tissues |
b) |
Oxygenated blood and deoxygenated blood |
c) |
Alveoli and oxygenated blood |
d) |
Alveoli and deoxygenated blood |
(c)
Partial pressure of in alveoli and oxygenated blood are almost same. Alveoli has 104 mm of Hg, whereas oxygenated blood has 95 mm of Hg.
Percentage of gases in different parts of body
Air Oxygen% Carbon Nitrogen Water dioxide % % vapours |
Inhaled Air 20.84 0.03-0.04 79 Variable Alveolar Air 13.1 5.3 79 Saturated Exhaled Air 15.7 4.0 79.7 Saturated |
Tobacco smoke contains carbon monoxide, which |
|||
a) |
Reduces the oxygen-carrying capacity of blood |
b) |
Causes gastric ulcers |
c) |
Raises blood pressure |
d) |
Is carcinogenic |
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