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प्रश्न
Whenever we feel drowsy or sleepy, we start yawning. Does yawning help us in any way?
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उत्तर
During drowsiness, our breathing rate slows down. The lungs do not get enough oxygen from the air resulting in yawning. Yawning brings extra oxygen into the lungs and removes more carbon dioxide and thus, helping us to keep awake.
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संबंधित प्रश्न
What is 'photophosphorylation'?
Short answer question.
Why is it advantageous to breathe through the nose than through the mouth?
Distinguish between open circulation and closed circulation.
Intercostal muscles are found between the ______.
During inspiration, the diaphragm ______.
Identify the CORRECT statement.
During inspiration, the inter-costal muscles ____________.
Which of the following is CORRECT with reference to oxygen dissociation curve?
Observe the figures given in figure (A) and (B) and answer the following.
- Which of the figures A or B indicates the process of inhalation and which the process of exhalation?
- In the figure label the arrows and indicate the direction of
- movement of air
- movement of diaphragm
- movement of ribs
What is phosphorylation?
