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Why internal respiration is also called cellular respiration?

Important Questions on Breathing and Exchange of Gases

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A person suddenly starts coughing while swallowing food. This coughing would have been due to improper movement of
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Write the steps of expiration steps in human being.
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Which of the following is not the function of conducting part of respiratory system?
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When does the increase in the volume of thoracic chamber take place in the dorsoventral axis? 
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The atmospheric pressure is 760 mm Hg at the sea level. Which of the following ranges is nearest to the partial pressure of CO2 in mm Hg?
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Select the correct events that occur during inspiration.

(a) Contraction of diaphragm
(b) Contraction of external intercostal muscles
(c) Pulmonary volume decreases
(d) Intrapulmonary pressure increases

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Explain the mechanism of inspiration and expiration.
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Assertion (A): Biconcave shape of mammalian RBC facilitates gas exchange.

Reason (R): Biconcave shape provides a high surface to volume ratio.

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Biology>Human Physiology>Breathing and Exchange of Gases>Exchange of Gases
Which is the correct sequence of the air passage in man?
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The process in which atmospheric air with 21% of O2 is drawn in and alveolar air rich in CO2 is sent out is called        
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Biology>Human Physiology>Breathing and Exchange of Gases>Exchange of Gases
If you exhale multiple times into a conical flask containing lime water through a single inlet fixed through a stop cork, lime water will?
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Exchange of Gases
How does the exchange of respiratory gases take place in the alveoli or lungs?
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Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?

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Biology>Human Physiology>Breathing and Exchange of Gases>Exchange of Gases
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?

​Question Image
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Biology>Human Physiology>Breathing and Exchange of Gases>Exchange of Gases
The pathway of inhaled air:
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In mature mammalian erythrocytes, the respiration is:
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Biology>Human Physiology>Breathing and Exchange of Gases>Exchange of Gases
What is partial pressure? How does it help in gaseous exchange during respiration?
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Biology>Human Physiology>Breathing and Exchange of Gases>Exchange of Gases
Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
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Biology>Human Physiology>Breathing and Exchange of Gases>Exchange of Gases
Which one of the following statements about blood constituents and transport of respiratory gases is most accurate?
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Which statement is wrong?