The total amount of air in the respiratory system is about 4 litres in a smaller adult, up to 6 litres in a larger adult, and about 1 litre of air always stays in the lungs, no matter how hard we breathe out.
Their principal function is to transport oxygen from the atmosphere into the bloodstream, and to release carbon dioxide from the bloodstream into the atmosphere. This exchange of gases is accomplished in the mosaic of specialized cells that form millions of tiny, exceptionally thin-walled air sacs called alveoli.
On this great Encyclopedia, you will find all abou lungs, anatomy, Functioning, etc….
Among the topics in this encyclopedia includes:
-FUNCTIONS OF THE LUNG
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