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Why internal respiration is also called cellular respiration?

Important Questions on Breathing and Exchange of Gases

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The factor which does not affect the rate of alveolar diffusion is
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The exchange of gases in the alveoli of the lungs takes place by:
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The "blue baby" syndrome results from ____
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What is the approximate normal composition of alveolar air?
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A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. This O2
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By which mechanism, oxygen is transported from lungs to cells?
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Among the following the partial pressure of oxygen is maximum in:
MEDIUM
If a large number of individuals are enclosed in a room, then-
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Which one of the following statements about blood constituents and transport of respiratory gases is most accurate?
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The CO2 content by volume, in the atmospheric air is about
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What will be the pO2 and pCO2 in the atmospheric air compared to those in the alveolar air?
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When a sea diver goes very deep he has to breathe on compressed air at high pressure. After some time, he loses his strength to work and feel drowsy. This is because of?
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The exchange of gases in the alveoli of the lungs takes place by
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The partial pressure of oxygen in the alveolar air is
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The percentage of oxygen in inhaled air is about
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The figure given below shows a small part of human lung where exchange of gases takes place. In which one of the options given below, the one part A, B, C, or D is correctly identified along with its function?

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MEDIUM
The factor which does not affect the rate of alveolar diffusion is
EASY
If a large number of individuals are enclosed in a room, then:
MEDIUM

The given figure shows a diagrammatic representation of the exchange of gases at the alveolus and the body tissues with blood and the transport of oxygen and carbon dioxide. Identify the blood vessels A to D.
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