CBSE Class 11-science Biology Breathing and Exchange of Gases
Mechanism of Breathing
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Residual Volume of Air
This video discusses why exchange of gases continue to occur in lungs even ...
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Nasal and Mouth Breathing
This video explains why nasal breathing is better than mouth breathing.
Exchange and Transport of Gases
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Exchange of Gases at Alveoli
This video explains why diffusion of gases occurs only in the alveolar regi...
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Transport of Carbon dioxide in the Body
This video discusses the different mechanisms of transport of carbon dioxid...
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Venous and Arterial Blood
This video discusses why venous blood is more acidic as compared to arteria...
