Q.
After taking a long deep breath we do not respire for some seconds due to
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BHUBHU 2005Breathing and Exchange of Gases
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Solution:
Deep breathing helps expand the lungs and forces
better distribution of the air into all sections of the lung.
When we breathe fully and deeply, the diaphragm moves
farther down into the abdomen and our lungs are able to
expand more completely into the chest cavity. This means
that more oxygen is taken in and more carbon dioxide is
released with each breath. Therefore, after taking a long
deep breath, we do not respire for some seconds due to
less CO2 in blood